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REVIEW ARTICLE
The implications of oxidative stress and antioxidant therapies in Inflammatory Bowel Disease: Clinical aspects and animal models
Ioana Miruna Balmus, Alin Ciobica, Anca Trifan, Carol Stanciu
January-February 2016, 22(1):3-17
DOI
:10.4103/1319-3767.173753
PMID
:26831601
Inflammatory bowel disease (IBD), including Crohn's disease (CD) and ulcerative colitis (UC), is a chronic inflammatory disorder characterized by alternating phases of clinical relapse and remission. The etiology of IBD remains largely unknown, although a combination of patient's immune response, genetics, microbiome, and environment plays an important role in disturbing intestinal homeostasis, leading to development and perpetuation of the inflammatory cascade in IBD. As chronic intestinal inflammation is associated with the formation of reactive oxygen and reactive nitrogen species (ROS and RNS), oxidative and nitrosative stress has been proposed as one of the major contributing factor in the IBD development. Substantial evidence suggests that IBD is associated with an imbalance between increased ROS and decreased antioxidant activity, which may explain, at least in part, many of the clinical pathophysiological features of both CD and UC patients. Hereby, we review the presently known oxidant and antioxidant mechanisms involved in IBD-specific events, the animal models used to determine these specific features, and also the antioxidant therapies proposed in IBD patients.
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1,595
ORIGINAL ARTICLES
Study on detection rate of polyps and adenomas in artificial-intelligence-aided colonoscopy
Wen-Na Liu, Yang-Yang Zhang, Xu-Qiang Bian, Li-Juan Wang, Qiang Yang, Xi-Dou Zhang, Jin Huang
January-February 2020, 26(1):13-19
DOI
:10.4103/sjg.SJG_377_19
PMID
:31898644
Background/Aim:
To study the impact of computer-aided detection (CADe) system on the detection rate of polyps and adenomas in colonoscopy.
Materials and Methods:
A total of 1026 patients were prospectively randomly scheduled for colonoscopy with (the CADe group, CADe) or without (the control group, CON) the aid of the CADe system, together with visual notification and voice alarm, so as to compare the detection rate of polyp.
Results:
Compared with group CON, the detection rate of adenomas increased in group CADe, the average number of adenomas increased, the number of small adenomas increased, the number of proliferative polyps increased, and the differences were statistically significant (
P
< 0.001), but the comparison for the number of larger adenomas showed no significant difference between the groups (
P
> 0.05).
Conclusions:
The CADe system is feasible for increasing the detection of polyps and adenomas in colonoscopy.
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77
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1,326
IN FOCUS
Helicobacter pylori
infection in developing countries: The burden for how long?
Barik A Salih
July-September 2009, 15(3):201-207
DOI
:10.4103/1319-3767.54743
PMID
:19636185
Approximately 50% (over 3 billion) of the world populations are known to be infected with
Helicobacter pylori
, mainly in the developing countries
.
Among those, hundreds of millions of people develop peptic ulceration during their lifetime and still tens of millions might progress to gastric cancer. Possible modes of
H. pylori
transmission generally described are through direct contact between family members and also through contaminated water and food. Because the high prevalence of infection occurs mainly in developing countries and because the test-and-treat strategy puts a huge economic burden on many of these countries, it is time to take an immediate action toward this bacterial infection and adopt a strategy to prevent it. To address this issue, an updated prevalence of infection, modes of transmission, economics of infection and preventative measures to block the infection process have been discussed.
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74
11,751
2,047
NEW HORIZON
Reversal of liver fibrosis
Mona H Ismail, Massimo Pinzani
January-March 2009, 15(1):72-79
DOI
:10.4103/1319-3767.45072
PMID
:19568569
Hepatic fibrosis is a scarring process associated with an increased and altered deposition of extracellular matrix in the liver. It is caused by a variety of stimuli and if fibrosis continues unopposed, it would progress to cirrhosis which poses a significant health problem worldwide. At the cellular and molecular level, this progressive process is characterized by cellular activation of hepatic stellate cells and aberrant activity of transforming growth factor-β with its downstream cellular mediators. Liver biopsy has been the reference test for assessment of hepatic fibrosis, but because of its limitations, noninvasive markers of liver fibrosis were developed. Liver fibrosis or cirrhosis was considered irreversible in the past but progress of research on the molecular pathogenesis of liver fibrosis has shown that hepatic cellular recovery is possible. Currently, no acceptable therapeutic strategies exist, other than removal of the fibrogenic stimulus, to treat this potentially devastating disease.
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ORIGINAL ARTICLES
Functional bowel disorders in Iranian population using Rome III criteria
Majid Sorouri, Mohammad A Pourhoseingholi, Mohsen Vahedi, Azadeh Safaee, Bijan Moghimi-Dehkordi, Asma Pourhoseingholi, Manijeh Habibi, Mohammad R Zali
July-September 2010, 16(3):154-160
DOI
:10.4103/1319-3767.65183
PMID
:20616409
Background/Aim:
To study the prevalence and risk factors of functional bowel disorders (FBD) in Iranian community using Rome III criteria.
Materials and
Methods:
This study was a cross-sectional household survey conducted from May 2006 to December 2007 in Tehran province, Iran, including 18,180 participants who were selected randomly and interviewed face-to-face by a validated questionnaire based on Rome III criteria.
Results:
In all, 1.1% met the Rome III criteria for irritable bowel syndrome (IBS), 2.4% for functional constipation (FC), and 10.9% of the participants had any type of FBD. Among participants with functional dyspepsia, 83.8% had FBD; the majority cases were unspecified functional bowel disorder (U-FBD). Of the subjects fulfilling the IBS criteria, IBS with constipation (52%) was the most frequent subtype. In the multivariate analysis, women had a higher risk of any FBDs than men, except for functional diarrhea (FD). The prevalence of FBD, FC and FD increased and IBS decreased with increasing age. Marital status was only associated with a decrease in the risk of FBD and FD, respectively. IBS subtypes compared with FC and FD. There was no significant difference between FC and IBS with constipation (IBS-C), except for self-reported constipation; while, IBS with diarrhea (IBS-D) had more symptoms than FD.
Conclusion:
This study revealed a low rate of FBDs among the urban population of Tehran province. The ROME III criteria itself, and the problems with interpretation of the data collection tool may have contributed in underestimating the prevalence of FBD. In addition the reliability of recall over 6 months in Rome III criteria is questionable for our population.
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1,086
REVIEW ARTICLE
Herbal medicine in the treatment of ulcerative colitis
Fei Ke, Praveen Kumar Yadav, Liu Zhan Ju
January-February 2012, 18(1):3-10
DOI
:10.4103/1319-3767.91726
PMID
:22249085
Ulcerative colitis (UC) is a refractory, chronic, and nonspecific disease occurred usually in the rectum and the entire colon. The etiopathology is probably related to dysregulation of the mucosal immune response toward the resident bacterial flora together with genetic and environmental factors. Several types of medications are used to control the inflammation or reduce symptoms. Herbal medicine includes a wide range of practices and therapies outside the realms of conventional Western medicine. However, there are limited controlled evidences indicating the efficacy of traditional Chinese medicines, such as
aloe vera
gel,
wheat grass
juice,
Boswellia serrata
, and
bovine colostrum
enemas in the treatment of UC. Although herbal medicines are not devoid of risk, they could still be safer than synthetic drugs. The potential benefits of herbal medicine could lie in their high acceptance by patients, efficacy, relative safety, and relatively low cost. Patients worldwide seem to have adopted herbal medicine in a major way, and the efficacy of herbal medicine has been tested in hundreds of clinical trials in the management of UC. The evidences on herbal medicine are incomplete, complex, and confusing, and certainly associated with both risks and benefits. There is a need for further controlled clinical trials of the potential efficacy of herbal medicine approaches in the treatment of UC, together with enhanced legislation to maximize their quality and safety.
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ORIGINAL ARTICLES
Gastroprotective effect of an aqueous suspension of black cumin
Nigella sativa
on necrotizing agents-induced gastric injury in experimental animals
Ibrahim A Al Mofleh, Abdulqader A Alhaider, Jaber S Mossa, Mohammed O Al-Sohaibani, Mohammed A Al-Yahya, Syed Rafatullah, Shaffi A Shaik
July-September 2008, 14(3):128-134
DOI
:10.4103/1319-3767.41731
PMID
:19568521
Background/Aim:
Previous studies on "Black seed" or "Black Cumin"
Nigella sativa
(NS) have reported a large number of pharmacological activities including its anti-ulcer potential. These studies employed either fixed oil, volatile oil components or different solvent extracts. In folkloric practices, NS seeds are taken as such, in the form of coarse dry powder or the powdered seeds are mixed with water. This study examines the effect of NS aqueous suspension on experimentally induced gastric ulcers and basal gastric secretion in rats to rationalize its use by herbal and Unani medicine practitioners.
Materials and Methods:
The study was conducted at the Medicinal, Aromatic and Poisonous Plants Research Center, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia. Acute gastric ulceration was produced by various noxious chemicals (80% ethanol, 0.2 M NaOH, 25% NaCl and indomethacin) in Wistar albino rats. Anti-secretory studies were undertaken in a separate group of rats. Gastric wall mucus contents and non-protein sulfhydryl concentration were estimated, and gastric tissue was examined histopathologically.
Results:
An aqueous suspension of Black seed significantly prevented gastric ulcer formation induced by necrotizing agents. It also significantly ameliorated the ulcer severity and basal gastric acid secretion in pylorus-ligated Shay rats. Moreover, the suspension significantly replenished the ethanol-induced depleted gastric wall mucus content levels and gastric mucosal non-protein sulfhydryl concentration. The anti-ulcer effect was further confirmed histopathologically.
Conclusion:
These findings validate the use of Black seed in gastropathies induced by necrotizing agents. The anti-ulcer effect of NS is possibly prostaglandin-mediated and/or through its antioxidant and anti-secretory activities.
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Overweight and obesity among Saudi children and adolescents: Where do we stand today?
Abdulrahman Al-Hussaini, Muhammad Salman Bashir, Musa Khormi, Muath AlTuraiki, Wahid Alkhamis, Mona Alrajhi, Thana Halal
July-August 2019, 25(4):229-235
DOI
:10.4103/sjg.SJG_617_18
PMID
:31187784
Background/Aim:
To provide the most recent estimate of childhood obesity and determine the trend in childhood obesity in Riyadh city over the past two decades, by comparing our results with previous studies that published data comparable to our study in terms of geography, sample age (6–16 years), and use of World Health Organization (WHO) cut-offs to define obesity.
Patients and Methods:
A cross-sectional study was conducted in 2015 among school children in Riyadh city. A sample of 7930 children (67% girls) aged 6–16 years were randomly selected. Body mass index for age and gender above +1 and below +2 standard deviation scores (SDS) defined overweight (SDS,
z
-scores) and >+2 SD scores defined obesity.
Results:
The overall prevalence of overweight and obesity was 13.4% (14.2% for girls and 12% for boys;
P
= 0.02) and 18.2% (18% for girls and 18.4% for boys;
P
= 0.73), respectively. When compared with the WHO-based national prevalence rate of obesity reported in 2004 (≈9.3%), the obesity rate has doubled over a 10-year period. There was a significantly higher prevalence of obesity in adolescents (>11 years) than in children (20.2% vs 15.7%;
P
< 0.01). Overweight and obesity increased significantly with higher levels of socioeconomic status. Obese children were at 1.5 and 2 times risk of developing gas bloating and vomiting than non-obese children.
Conclusion:
The prevalence of overweight and obesity has risen alarmingly among Saudi children and adolescents over the past decade and should make a strong case to initiate and monitor effective implementation of obesity prevention measures.
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The psychological impact of COVID-19 pandemic on physicians in Saudi Arabia: A cross-sectional study
Eman Al Sulais, Mahmoud Mosli, Turki AlAmeel
September-October 2020, 26(5):249-255
DOI
:10.4103/sjg.SJG_174_20
PMID
:32496223
Background/Aim:
COVID-19 pandemic exposed physicians to extraordinary stress and made them vulnerable to various types of psychological illnesses. The aim of this study was to evaluate the impact that the COVID-19 pandemic had on the psychological well-being of physicians.
Materials and Methods:
We performed a cross-sectional, survey-based study, targeting physicians in Saudi Arabia during the COVID-19 pandemic. The primary outcome was to assess the psychological impact that the pandemic had on physicians by using a questionnaire that was previously designed and used by Reynold's
et al.
to survey Canadians during the SARS outbreak in 2003. The questionnaire assessed respondents' understanding of the rationale for quarantine, quarantine behaviors (including difficulties and compliance), as well as socio-economic and psychological impacts through answers that are based on a Likert scale. We also assessed the possible risk factors for psychological disorders related to the pandemic.
Results:
The study included 529 physicians from various regions in Saudi Arabia. The enrolled physicians were practicing different specialties and branches in medicine. We classified them based on their workplace in relation to COVID-19 exposure to: COVID-19 designated center vs. non-COVID-19 designated centers. Furthermore, we subdivided the physicians who work in COVID-19 designated centers to those who work in high-risk areas such as ER, ICU and COVID-19 isolation wards and other areas as low-risk areas. The most common feelings reported by the physicians during the pandemic were: worry (357, 67.5%), isolation (301, 56.9%) and fear (263, 49.7%). According to logistic regression analysis, physicians older than age 60 were less likely to feel isolated (OR = 0.08, 95% CI = 0.01-0.96,
P
= 0.05), female physicians were more likely to experience fear (OR = 2.96, 95% CI = 1.20 – 7.27,
P
= 0.02) and worry (OR = 2.87,95% CI = 1.23 – 6.69,
P
= 0.02), while physicians with a previous exposure to similar traumatic events were less likely to experience fear (OR = 0.24, 0.10 – 0.64,
P
= 0.004) during the COVID-19 pandemic.
Conclusions:
The COVID-19 pandemic had a negative psychological effect on physicians in Saudi Arabia. Gender, age, and previous exposure to similar traumatic events were predictive of psychological reactions to the pandemic in this population.
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Comparative study of
Nigella
Sativa
and triple therapy in eradication of
Helicobacter Pylori
in patients with non-ulcer dyspepsia
Eyad M Salem, Talay Yar, Abdullah O Bamosa, Abdulaziz Al-Quorain, Mohamed I Yasawy, Raed M Alsulaiman, Muhammad A Randhawa
July-September 2010, 16(3):207-214
DOI
:10.4103/1319-3767.65201
PMID
:20616418
Background/Aim:
A large number of diseases are ascribed to
Helicobacter pylori
(
H. pylori
), particularly chronic active gastritis, peptic ulcer disease and gastric cancer. Successful treatment of
H. pylori
infection with antimicrobial agents can lead to regression of
H. pylori
-associated disorders. Antibiotic resistance against
H. pylori
is increasing, and it is necessary to find new effective agents.
Nigella sativa
seed (NS), a commonly used herb, possesses
in vitro
anti-helicobacter activity. The present study was undertaken to evaluate the efficacy of NS in eradication of
H. pylori
infection in non-ulcer dyspeptic patients.
Materials and Methods:
The study was conducted on 88 adult patients attending King Fahd Hospital of the University, Al-Khobar, Saudi Arabia, from 2007 to 2008, with dyspeptic symptoms and found positive for
H. pylori
infection by histopathology and urease test. Patients were randomly assigned to four groups, receiving i) triple therapy (TT) comprising of clarithromycin, amoxicillin, omeprazole [
n
= 23], ii) 1 g NS + 40 mg omeprazole (OM) [
n
= 21], iii) 2 g NS + OM [
n
= 21] or iv) 3 g NS + OM [
n
= 23]. Negative
H. pylori
stool antigen test four weeks after end of treatment was considered as eradication.
Results:
H. pylori
eradication was 82.6, 47.6, 66.7 and 47.8% with TT, 1 g NS, 2 g NS and 3 g NS, respectively. Eradication rates with 2 g NS and TT were statistically not different from each other, whereas
H. pylori
eradication with other doses was significantly less than that with TT (
P
< 0.05). Dyspepsia symptoms improved in all groups to a similar extent.
Conclusions:
N. sativa
seeds possess clinically useful anti-H. pylori activity, comparable to triple therapy. Further clinical studies combining
N. sativa
with antibiotics are suggested.
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BRIEF COMMUNICATION
Noninvasive prediction of large esophageal varices in chronic liver disease patients
Arulprakash Sarangapani, Chitra Shanmugam, Muthukumaran Kalyanasundaram, Balamurali Rangachari, Pugazhendhi Thangavelu, Jeevan Kumar Subbarayan
January-March 2010, 16(1):38-42
DOI
:10.4103/1319-3767.58767
PMID
:20065573
Background/Aim:
Esophageal varices (EVs) are a serious consequence of portal hypertension in patients with liver diseases. Several studies have evaluated possible noninvasive markers of EVs to reduce the number of unnecessary endoscopies in patients with cirrhosis but without varices. This prospective study was conducted to evaluate noninvasive predictors of large varices (LV).
Patients and Methods:
The study analyzed 106 patients with liver diseases from January 2007 to March 2008. Relevant clinical parameters assessed included Child-Pugh class, ascites and splenomegaly. Laboratory parameters like hemoglobin level, platelet count, prothrombin time, serum bilirubin, albumin and ultrasonographic characteristics like splenic size, splenic vein size, portal vein diameter were assessed. Univariate and multivariate analysis was done on the data for predictors of large EVs.
Results:
Incidence of large varices was seen in 41%. On multivariate analysis, independent predictors for the presence of LV were palpable spleen, low platelet count, spleen size >13.8 mm, portal vein >13 mm, splenic vein >11.5 mm. The receiver operating characteristic (ROC) curve showed 0.883 area under curve. Platelet spleen diameter ratio 909 had a sensitivity and specificity of 88.5%, 83% respectively.
Conclusion:
Thrombocytopenia, large spleen size, portal vein size and platelet spleen diameter ratio strongly predicts large number of EVs.
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11,221
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REVIEW ARTICLE
The importance of interstitial cells of cajal in the gastrointestinal tract
Othman A Al-Shboul
January-February 2013, 19(1):3-15
DOI
:10.4103/1319-3767.105909
PMID
:23319032
Gastrointestinal (GI) motility function and its regulation is a complex process involving collaboration and communication of multiple cell types such as enteric neurons, interstitial cells of Cajal (ICC), and smooth muscle cells. Recent advances in GI research made a better understanding of ICC function and their role in the GI tract, and studies based on different types of techniques have shown that ICC, as an integral part of the GI neuromuscular apparatus, transduce inputs from enteric motor neurons, generate intrinsic electrical rhythmicity in phasic smooth muscles, and have a mechanical sensation ability. Absence or improper function of these cells has been linked to some GI tract disorders. This paper provides a general overview of ICC; their discovery, subtypes, function, locations in the GI tract, and some disorders associated with their loss or disease, and highlights some controversial issues with regard to the importance of ICC in the GI tract.
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SYSTEMATIC REVIEW/META-ANALYSIS
Prevalence of sleep disorder in irritable bowel syndrome: A systematic review with meta-analysis
Ben Wang, Ruqiao Duan, Liping Duan
May-June 2018, 24(3):141-150
DOI
:10.4103/sjg.SJG_603_17
PMID
:29652034
Background/Aims:
We conducted this meta-analysis to evaluate the prevalence of sleep disorder in irritable bowel syndrome (IBS) patients and study the association between IBS and sleep disorder.
Materials and Methods:
A systematic search was conducted by searching PubMed, Embase, and Cochrane library databases using the following search terms: “functional gastrointestinal disorders,” “Sleep disturbance,” “Sleep disorder,” “insomnia,” “Dysomnias,” “irritable bowel syndrome,” and “IBS.” Studies evaluating the association between IBS and sleep disorder were identified. Data analysis was conducted using meta-analysis software Comprehensive Meta-Analysis (CMA) 2.0. Heterogeneity across studies was evaluated by
χ
2
and
I
2
statistics. Publication bias was evaluated by funnel plot, Begg's test, and Egger's test. Sensitivity analysis was also performed by removing each single study separately.
Results:
The bibliographical search yielded a total of 2866 studies. Finally, 36 studies including 63620 participants were identified. The prevalence of sleep disorder in IBS was 37.6% (95% CI: 31.4% to 44.3%) based on this meta-analysis. The pooled odds ratio was 2.618 (95% CI: 2.052% to 3.341). Publication bias was not determined. Regarding the sensitivity analysis, the outcome was stable regardless of which study was removed.
Conclusions:
The prevalence of sleep disorder was higher in IBS compared to healthy controls and may be associated with the pathogenesis of IBS. The prevalence of sleep disorder in IBS may differ according to different areas, age, gender, occupation, and IBS diagnostic criteria. Further studies are needed to investigate any possible causal relationship between sleep disorder and IBS.
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ORIGINAL ARTICLES
Past, present and future of colorectal cancer in the Kingdom of Saudi Arabia
Ezzeldin M Ibrahim, Ahmed A Zeeneldin, Tawfik R El-Khodary, Aboelkhair M Al-Gahmi, Bakr M Bin Sadiq
October-December 2008, 14(4):178-182
DOI
:10.4103/1319-3767.43275
PMID
:19568534
Background/Aims:
The crude frequency of colorectal cancer (CRC) is second to breast cancer in the Kingdom of Saudi Arabia (KSA). To assess the future burden of CRC in the country, we designed a model that takes into consideration the recent lifestyle pattern and the growth and aging of the population.
Methods:
We compared CRC statistics for KSA (using data from the National Cancer Registry) with that from the Surveillance, Epidemiology and End Results (SEER) databases of the United States of America (USA). We used the Joinpoint regression program to identify changes in secular trends, while the GLOBOCAN 2002 software was used to project future incidence and mortality.
Results:
Between 1994 and 2003, age-standardized rates (ASRs) for CRC in KSA almost doubled, as compared to a nonsignificant decline in USA. Between 2001 and 2003, while the annual percent change (APC) of CRC incidence in the USA showed a nonsignificant decrease in females, APC in Saudi females showed a nonsignificant rise of six percent. On the other hand, the rising incidence among Saudi males, during the years 1999 to 2003, was significant, with an APC of 20.5%. The projection model suggested that the incidence of CRC in KSA could increase fourfold in both genders by the year 2030.
Conclusions:
In KSA, the present and expected increase in CRC rates is alarming. Pragmatic recommendations to face that challenge are discussed. The present work could serve as a model to study other prevalent types of cancer, particularly in developing countries.
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REVIEW ARTICLE
Meckel's diverticulum-Revisited
Ajaz A Malik, Shams-ul-Bari , Khurshid A Wani, Abdul R Khaja
January-March 2010, 16(1):3-7
DOI
:10.4103/1319-3767.58760
PMID
:20065566
Meckel's diverticulum is a true intestinal diverticulum that results from the failure of the vitelline duct to obliterate during the fifth week of fetal development. In about 50% cases, it contains ectopic or heterotopic tissue which can be the cause of complications. A systematic review of literature was undertaken to study the history, incidence, embryoanatomy, clinical presentation, complication and management of Meckel's diverticulum. Although Meckel's diverticulum is the most common congenital abnormality of the gastrointestinal tract, it is often difficult to diagnose. It may remain asymptomatic or it may mimic disorders such as Crohn's disease, appendicitis and peptic ulcer disease.
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Understanding the mechanism of hepatic fibrosis and potential therapeutic approaches
Areeba Ahmad, Riaz Ahmad
May-June 2012, 18(3):155-167
DOI
:10.4103/1319-3767.96445
Hepatic fibrosis (HF) is a progressive condition with serious clinical complications arising from abnormal proliferation and amassing of tough fibrous scar tissue. This defiance of collagen fibers becomes fatal due to ultimate failure of liver functions. Participation of various cell types, interlinked cellular events, and large number of mediator molecules make the fibrotic process enormously complex and dynamic. However, with better appreciation of underlying cellular and molecular mechanisms of fibrosis, the assumption that HF cannot be cured is gradually changing. Recent findings have underlined the therapeutic potential of a number of synthetic compounds as well as plant derivatives for cessation or even the reversal of the processes that transforms the liver into fibrotic tissue. It is expected that future inputs will provide a conceptual framework to develop more specific strategies that would facilitate the assessment of risk factors, shortlist early diagnosis biomarkers, and eventually guide development of effective therapeutic alternatives.
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ORIGINAL ARTICLES
Role of albendazole in the management of hydatid cyst liver
Shams-Ul-Bari , Sajad Hussain Arif, Ajaz A Malik, Abdul Rouf Khaja, Tufale A Dass, Zahoor A Naikoo
September-October 2011, 17(5):343-347
DOI
:10.4103/1319-3767.84493
PMID
:21912062
Background/Aim:
Hydatidosis has a worldwide distribution and the liver is the most common organ involved. Hydatid cysts of the liver can be managed either by nonoperative or operative methods. Nonoperative methods include chemotherapy and percutaneous treatment. The study aimed at understanding the effect of albendazole therapy on the viability of protoscoleces and recurrence rate of hydatid disease of the liver.
Patients and Methods:
The study was conducted at Sher-i-Kashmir Institute of Medical Sciences, Soura, Srinagar, Kashmir, India, over a period of 2 years from January 2002 to December 2003, with further follow-up of 5 years. The study included 72 cases in the age group of 17-66 years, comprising 39 males and 33 females. The patients were randomized into two groups of 36 patients each. In group A, patients were directly subjected to surgery, while in group B, patients were administered albendazole for 12 weeks preoperatively, followed by a further postoperative course for 12 weeks.
Results:
Of patients who received albendazole therapy, no patient had viable cysts at the time of surgery, as compared to 94.45% of the patients who did not receive any preoperative albendazole (
P
<0.01). In patients who did not receive any albendazole therapy, recurrence rate was 16.66%, while no recurrence was seen in patients who received albendazole therapy (
P
≤0.05).
Conclusion:
We conclude that albendazole is an effective adjuvant therapy in the treatment of hydatid liver disease.
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Nonalcoholic fatty liver disease burden – Saudi Arabia and United Arab Emirates, 2017–2030
Khalid Alswat, Abdulrahman A Aljumah, Faisal M Sanai, Faisal Abaalkhail, Mohamed Alghamdi, Waleed K Al Hamoudi, Abdullah Al Khathlan, Huda Al Quraishi, Ahmed Al Rifai, Mohamed Al Zaabi, Mohamed A Babatin, Chris Estes, Almoutaz Hashim, Homie Razavi
July-August 2018, 24(4):211-219
DOI
:10.4103/sjg.SJG_122_18
PMID
:29956688
Background/Aim:
Due to epidemic levels of obesity and type 2 diabetes mellitus (DM), nonalcoholic fatty liver disease (NAFLD) and resulting nonalcoholic steatohepatitis (NASH) will be driving factors in liver disease burden in the coming years in Saudi Arabia and United Arab Emirates (UAE).
Materials and Methods:
Models were used to estimate NAFLD and NASH disease progression, primarily based on changes in adult prevalence rates of adult obesity and DM. The published estimates and expert interviews were used to build and validate the model projections.
Results:
In both countries, the prevalence of NAFLD increased through 2030 parallel to projected increases in the prevalence of obesity and DM. By 2030, there were an estimated 12,534,000 NAFLD cases in Saudi Arabia and 372,000 cases in UAE. Increases in NASH cases were relatively greater than the NAFLD cases due to aging of the population and disease progression. Likewise, prevalent cases of compensated cirrhosis and advanced liver disease are projected to at least double by 2030, while annual incident liver deaths increase in both countries to 4800 deaths in Saudi Arabia and 140 deaths in UAE.
Conclusions:
Continued high rates of adult obesity and DM, in combination with aging populations, suggest that advanced liver disease and mortality attributable to NAFLD/NASH will increase across both countries. Reducing the growth of the NAFLD population, along with potential therapeutic options, will be needed to reduce liver disease burden.
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NEW HORIZON
Sorafenib in the treatment of advanced hepatocellular carcinoma
Ali Ben Mousa
January-March 2008, 14(1):40-42
DOI
:10.4103/1319-3767.37808
PMID
:19568496
Management of advanced hepatocellular carcinoma (HCC) is still a challenge to physicians since these patients are not candidates for surgical or ablative therapy. The disease carries a very poor prognosis with an expected survival of 4-6 months. No chemotherapeutic agent has been proven to improve the clinical outcome in such patients. A multikinase inhibitor, sorafenib, previously tested and found effective in other solid tumors recently found to significantly improve survival in patients with advanced HCC. Sorafenib exerts its action through inhibition of several kinases involved in both tumour cell proliferation and angiogenesis. It was well tolerated at a dose of 400 mg twice daily and permanent discontinuation of the drug was rarely required.
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32
8,791
1,497
REVIEW ARTICLE
Inflammation and pancreatic cancer: An updated review
Kamleshsingh Shadhu, Chunhua Xi
January-February 2019, 25(1):3-13
DOI
:10.4103/sjg.SJG_390_18
PMID
:30588953
Pancreatic cancer is a devastating disease with poor prognosis in the modern era. Inflammatory processes have emerged as key mediators of pancreatic cancer development and progression. Recently, studies have been carried out to investigate the underlying mechanisms that contribute to tumorigenesis induced by inflammation. In this review, the role of inflammation in the initiation and progression of pancreatic cancer is discussed.
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9,935
1,399
Epidemiology of viral hepatitis in Saudi Arabia: Are we off the hook?
Ayman A Abdo, Faisal M Sanai, Faleh Z Al-Faleh
November-December 2012, 18(6):349-357
DOI
:10.4103/1319-3767.103425
PMID
:23150019
Some 400 million people worldwide are currently infected with the hepatitis B virus (HBV), and the infection is common in the Middle East. Another 170 million people around the globe presently live with chronic hepatitis C virus (HCV) infection. Both HBV and HCV represent a worldwide epidemic. Despite significant decline in the prevalence of HBV and HCV infection in Saudi Arabia, these viral diseases cause significant morbidity and mortality, and impose a great burden on the country's healthcare system. On the other hand, Saudi epidemiology studies have shown that the hepatitis A virus seroprevalence in the country has reduced considerably over the past two decades. The progress in mapping the epidemiological pattern of viral hepatitis in Saudi Arabia has not only aided our understanding of the disease, but has also exposed the small but relevant gaps in our identification of the intricate details concerning the disease's clinical expression. In this review, we aim to document the timeline of viral hepatitis epidemiology in Saudi Arabia, while summarizing the relevant published literature on the subject.
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ORIGINAL ARTICLES
Crocetin reduces TNBS-induced experimental colitis in mice by downregulation of NFkB
Hamid A Kazi, Zhiyu Qian
July-September 2009, 15(3):181-187
DOI
:10.4103/1319-3767.54750
PMID
:19636180
Background/Aim:
Ulcerative colitis (UC) is characterized by oxidative and nitrosative stress, leukocyte infiltration and upregulation of proinflammatory cytokines. In this study, we aim to investigate the effects of crocetin and its protective mechanism on 2,4,6- trinitrobenzene sulfonic acid (TNBS)-induced colitis in mice model.
Materials and Methods:
Intestinal lesions (judged by macroscopic and histological score) were associated with neutrophil infiltration (measured as increase in myeloperoxidase (MPO) activity in the mucosa), and high levels of malondialdehyde MDA (an indicator of lipid peroxidation).
Results:
Dose-response studies revealed that treatment of mice with crocetin (50 mg/kg/day) i.g. for 8 days) significantly ameliorated diarrhea and the disruption of colonic architecture. Higher and lower doses (100 and 25 mg/kg/day) did not exhibit comparable effects. In crocetin-treated mice, a significant reduction was noted in the degree of both neutrophil infiltration (measured as decrease in myeloperoxidase activity) and lipid peroxidation (measured as decrease in malondialdehyde activity) in the inflamed colon. Crocetin also reduced the levels of nitric oxide (NO) associated with the favorable expression of TH1 and TH2 cytokines and inducible NO synthase along with the down regulation of nuclear factor-kB (NFkB).
Conclusion:
These findings suggest that crocetin exerts beneficial effects in experimental colitis, and therefore we propose that this carotenoid may have therapeutic implications for human UC and can be administered along with the conventional therapy of UC
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Non-invasive predictors of esophageal varices
Jijo V Cherian, Nandan Deepak, Rajesh Prabhu Ponnusamy, Aravindh Somasundaram, V Jayanthi
January-February 2011, 17(1):64-68
DOI
:10.4103/1319-3767.74470
PMID
:21196656
Background/Aim:
Current guidelines recommend screening cirrhotic patients with an endoscopy to detect esophageal varices and to institute prophylactic measures in patients with large esophageal varices. In this study, we aimed at identifying non-endoscopic parameters that could predict the presence and grades of esophageal varices.
Patients and Methods:
In a prospective study, 229 newly diagnosed patients with liver cirrhosis, without a history of variceal bleeding, were included. Demographic, clinical, biochemical and ultrasonographic parameters were recorded. Esophageal varices were classified as small and large, at endoscopy. Univariate analysis and multivariate logistic regression analysis were done to identify independent predictors for the presence and grades of varices.
Results:
Of the 229 patients (141 males; median age 42 years; range 17-73 years) with liver cirrhosis, 97 (42.3%) had small and 81 (35.4%) had large varices. On multivariate analysis, low platelet count (Odd's Ratio [OR], 4.3; 95% confidence interval [CI], 1.2-14.9), Child Pugh class B/C (OR, 3.3; 95% CI, 1.8-6.3), spleen diameter (OR, 4.3; 95% CI, 1.6-11.9) and portal vein diameter (OR, 2.4; 95% CI, 1.1-5.3) were independent predictors for the presence of varices. Likewise, for the presence of large esophageal varices, low platelet count (OR, 2.7; 95% CI, 1.4-5.2), Child Pugh class B/C (OR, 3.8; 95% CI, 2.3-6.5) and spleen diameter (OR, 3.1; 95% CI, 1.6-6.0) were the independent risk factors.
Conclusion:
The presence and higher grades of varices can be predicted by a low platelet count, Child-Pugh class B/C and spleen diameter. These may be considered as non-endoscopic predictors for the diagnosis and management of large grade varices.
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Biological and histological parameters as predictors of relapse in ulcerative colitis: A prospective study
Sheenam Azad, Neena Sood, Ajit Sood
May-June 2011, 17(3):194-198
DOI
:10.4103/1319-3767.80383
PMID
:21546723
Background/Aim:
Ulcerative colitis is a chronic inflammatory disease of unknown etiology characterized by periods of remission and relapses. This study has been carried out in a group of North Indian patients, where the disease has shown an increasing prevalence and frequent relapses. Hence, there is a need to predict relapse for better management and to reduce morbidity. To assess the importance of biological and histological parameters in predicting relapse when the disease is in quiescent phase.
Materials and Methods:
A prospective study of twenty-six patients with quiescent ulcerative colitis was carried out in Dayanand Medical College and Hospital,Punjab. Only patients with clinical and endoscopic remission at the time of screening visit were included. Hemoglobin, erythrocyte sedimentation rate (ESR), C- reactive protein (CRP) and serum Interleukin-6 (IL-6) levels were measured. The baseline colonoscopic mucosal biopsies were retrieved and studied. Follow-up was conducted for one year at monthly interval or earlier if relapse occurred.
Results:
Fifteen out of twenty-six patients (57.69%) had evidence of clinical relapse during the follow-up. Hemoglobin, ESR, CRP and IL-6 levels were not found to be significant predictors of relapse. Increased number of eosinophils and neutrophils in the lamina propria were observed to be associated with significantly higher relapse rate.
Conclusion:
A higher risk of relapse in patients with quiescent colitis can be predicted by the presence of increased number of eosinophils and neutrophils in the lamina propria.
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762
REVIEW ARTICLE
Short bowel syndrome: A review of management options
Prasad Seetharam, Gabriel Rodrigues
July-August 2011, 17(4):229-235
DOI
:10.4103/1319-3767.82573
PMID
:21727727
Extensive resection of the intestinal tract frequently results in inadequate digestion and/or absorption of nutrients, a condition known as short bowel syndrome (SBS). This challenging condition demands a dedicated multidisciplinary team effort to overcome the morbidity and mortality in these patients. With advances in critical care management, more and more patients survive the immediate morbidity of massive intestinal resection to present with SBS. Several therapies, including parenteral nutrition (PN), bowel rehabilitation and surgical procedures to reconstruct bowel have been used in these patients. Novel dietary approaches, pharmacotherapy and timely surgical interventions have all added to the improved outcome in these patients. However, these treatments only partially correct the underlying problem of reduced bowel function and have limited success resulting in 30% to 50% mortality rates. However, increasing experience and encouraging results of intestinal transplantation has added a new dimension to the management of SBS. Literature available on SBS is exhaustive but inconclusive. We conducted a review of scientific literature and electronic media with search terms 'short bowel syndrome, advances in SBS and SBS' and attempted to give a comprehensive account on this topic with emphasis on the recent advances in its management.
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© Saudi Journal of Gastroenterology (Official journal of The Saudi Gastroenterology Association) | Published by Wolters Kluwer -
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Online since 15
th
October, 2006