Saudi Journal of Gastroenterology
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   2018| May-June  | Volume 24 | Issue 3  
    Online since May 24, 2018

 
 
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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 χ2and I2statistics. 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
Preoperative biliary drainage using a fully covered self-expandable metallic stent for pancreatic head cancer: A prospective feasibility study
Osamu Togawa, Hiroyuki Isayama, Hiroshi Kawakami, Yousuke Nakai, Dai Mohri, Tsuyoshi Hamada, Hirofumi Kogure, Kazumichi Kawakubo, Naoya Sakamoto, Kazuhiko Koike, Hiroto Kita
May-June 2018, 24(3):151-156
DOI:10.4103/sjg.SJG_448_17  PMID:29652026
Background/Aims: The role of endoscopic preoperative biliary drainage (PBD) for pancreatic head cancer is controversial because of the high incidence of stent occlusion before surgery. This study was performed to evaluate the feasibility and safety of PBD using a fully covered self-expandable metallic stent (FCSEMS). Patients and Methods: This multicenter prospective study involved 26 patients treated for pancreatic head cancer with distal bile duct obstruction from April 2011 to March 2013. An FCSEMS was endoscopically placed in 24 patients. Among these, 7 patients were diagnosed with unresectable cancer, and 17 underwent surgery at a median of 18 days after FCSEMS placement. The main outcome measure was preoperative and postoperative adverse events. Results: Two adverse events (cholecystitis and insufficient resolution of jaundice) occurred between FCSEMS placement and surgery (12%). Postoperative adverse events occurred in eight patients (47%). The cumulative incidence of stent-related adverse events 4 and 8 weeks after FCSEMS placement among the 24 patients who underwent this procedure were 19%. Conclusions: PBD using an FCSEMS is feasible in patients with resectable pancreatic head cancer. Placement of an FCSEMS can be an alternative PBD technique when surgery without delay is impossible. A larger randomized controlled trial is warranted.
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Risk factors of in-hospital mortality among patients with upper gastrointestinal bleeding and acute myocardial infarction
Lingjie He, Jianwei Zhang, Shutian Zhang
May-June 2018, 24(3):177-182
DOI:10.4103/sjg.SJG_492_17  PMID:29652028
Background/Aims: Patients with simultaneous upper gastrointestinal bleeding (UGIB) and acute myocardial infarction (AMI) have higher mortality than patients with either GIB or AMI. We aimed to assess the incidence and risk factors of in-hospital mortality in patients with UGIB and AMI. Patients and Methods: A total of 243 patients with UGIB and AMI were enrolled during 2012–2017. Clinical and laboratory data were collected and analyzed for clinical characteristics and potential risk factors of in-hospital mortality. Results: Among the 243 patients, 60 in-hospital deaths were observed (in-hospital mortality rate of 24.7%). Patients who died were older than the survivors (78.7 ± 6.6 vs. 72.6 ± 10.5 years, P < 0.001). Compared with survivors, patients who died showed increased peak white blood cell (WBC) count (9.74 ± 4.72 vs. 7.60 ± 2.91 × 109/L, P= 0.002), serum creatinine levels [134 (106, 190) vs. 97 (79, 125) mmol/L, P= 0.014], peak blood urine nitrogen levels (16.31 ± 8.48 mmol/L vs. 9.86 ± 6.33 mmol/L, P < 0.001), and peak brain natriuretic peptide (BNP) amounts [13,250 (6071, 30,000) vs. 3598 (728, 12,842) pg/mL, P < 0.001]. Meanwhile, patients who died also displayed lower minimum hemoglobin levels (78.3 ± 21.1 vs. 86.3 ± 22.3 g/L, P= 0.018) and minimum platelet counts (184.3 ± 79.1 vs. 214.6 ± 80.1 × 109/L, P= 0.013). In multivariable logistic analysis, age [OR (95% CI) =1.118 (1.053–1.186), P < 0.001], peak WBC count [OR (95% CI) =1.252 (1.113–1.407), P < 0.001], minimum platelet count [OR (95% CI) = 0.994 (0.989–1.000), P= 0.032], and peak BNP levels [OR (95% CI) =3.880 (1.761–8.550), P= 0.001] were independent predictors of in-hospital mortality. Conclusions: Patients with UGIB and AMI had a high in-hospital mortality, which was independently associated with age, peak WBC count, minimum platelet count, and peak BNP levels.
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Association between patient characteristics and magnetically controlled capsule endoscopy findings
Huasheng Lai, Junsheng Huang, Yangzhi Xu, Jie Zhang, Zhenyu Chen, Fengcheng Xi, Aimin Li, Side Liu
May-June 2018, 24(3):189-195
DOI:10.4103/sjg.SJG_509_17  PMID:29652031
Background/Aim: Magnetically-controlled capsule endoscopy (MCE) is a potential option for the evaluation of gastric diseases in cases that are unsuited for conventional endoscopy, avoiding discomfort, sedation, and related complications. This retrospective study investigated associations between MCE findings and patient gender, age, and inpatient/outpatient status. Patients and Methods: The data of 580 consecutive patients who underwent MCE from 2015 to 2016 were analyzed. Data included age, gender, indication for MCE, inpatient/outpatient status, overall coverage of gastric anatomical landmarks, and comorbid conditions. Results: Compared with outpatients, inpatients had a higher rate of overall significant MCE findings (P = 0.014), polyp (P = 0.03), and ulceration (P = 0.003). MCE findings of the inpatient men and women were similar. Considering all patients, the percentage with ulceration was significantly higher in men than in women (P = 0.004), and men were younger (P < 0.001). Compared with younger patients, those aged ≥60 years had significantly higher rates of overall significant findings, mainly polyp and angiodysplasia. Conclusions: Compared with outpatients, the inpatients showed higher overall significant findings. Men undergoing MCE were younger than the women, and more likely to have ulcerations. Older patients, whether outpatient or inpatient, had higher rates of significant findings, mainly polyp and angiodysplasia.
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Pokeweed antiviral protein attenuates liver fibrosis in mice through regulating Wnt/Jnk mediated glucose metabolism
Yonghong Zhang, Xiaolan Yu, Zheng Wang, Ming Yin, Zonghao Zhao, Yi Li, Wenting Li
May-June 2018, 24(3):157-164
DOI:10.4103/sjg.SJG_470_17  PMID:29652027
Background/Aims: Pokeweed antiviral protein (PAP) has been reported to downregulate Wnt/Jnk pathway and attenuate liver fibrosis. This study was designed to intensively explore the mechanism of anti-fibrosis effect of PAP. Materials and Methods: Hepatic stellate cell (HSC) activation was induced by high concentration of glucose. Cell viability was detected at different time points after PAP treatment. Meanwhile, hepatic fibrosis models in mice were induced by CCl4 injection. In the end, liver pathology was observed and contents of alanine transaminase, aspartate transaminase, lactic dehydrogenase, hyaluronic acid (HA), and laminin (LN) in serum together with hydroxyproline (Hyp) in liver were measured. The mRNA and protein expressions of HK2, PFKP, PCK1, and FBP1 as well as Jnk expression in HSC-T6 cells and liver tissue were detected by qPCR and western-blot, respectively. Results: Compared with high glucose, PAP reduced viability and expressions of HK2, PFKP, α-SMA, and Col1A1, where as enhanced the expressions of PCK1 and FBP1 in HSC-T6 cells (P < 0.05) respectively. PAP attenuated liver pathology, improved liver function, and reduced collagen deposition in liver tissue compared with the model group (P < 0.05) respectively. Moreover, PAP reduced expressions of HK2, PFKP, α-SMA, and Col1A1 where as increased the expression of PCK1 and FBP1 in the liver of mice compared with the model group (P < 0.05) respectively. Most importantly, PAP reduced the phosphorylation of Jnk both in cells and liver tissue compared with the model group (P < 0.05) respectively. Conclusions: Our results demonstrated that PAP attenuated liver fibrosis by regulating Wnt/Jnk-mediated glucose metabolism. It provided us a new target for the treatment of liver fibrosis.
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EDITORIAL
Preoperative biliary drainage in pancreatic head cancer patients
Emad S Aljahdli
May-June 2018, 24(3):139-140
DOI:10.4103/sjg.SJG_612_17  PMID:29652035
  3,840 504 -
ORIGINAL ARTICLES
Endoscopic ultrasound-guided gallbladder drainage: Results of long-term follow-up
Omar Ahmed, Takeshi Ogura, Ali Eldahrouty, Hanaa Khalaf, Ehab Mohammed, Hussein Okasha, Ayat Sameer, Usama Abdelaal, Kazuhide Higuchi
May-June 2018, 24(3):183-188
DOI:10.4103/sjg.SJG_506_17  PMID:29652030
Background/Aim: Recently, endoscopic ultrasound-guided gallbladder drainage (EUS-GBD) has emerged using a self-expandable metallic stent (SEMS). The aim of the study was to evaluate the long-term outcomes of this procedure. In addition, the efficacy and safety of EUS-GBD with SEMS were assessed. Patients and Methods: Thirteen consecutive patients who underwent EUS-GBD for acute cholecystitis between February 2014 and September 2016 were included in this retrospective study. EUS-GBD was performed under the guidance of EUS and fluoroscopy, through puncturing the gallbladder with a needle, inserting a guidewire, dilating the puncture hole, and placing a SEMS. Results: The rates of technical success, functional success, and adverse events were 100%, 92.3% and 7.7%, respectively. The median procedure time was 26.9 min (range 19–42 min). The median follow-up time was 240 days (range 14–945 days) and during this follow-up period recurrence of cholecystitis was observed in one patient (7.7%). Conclusion: EUS-GBD with a SEMS is a possible alternative treatment for acute cholecystitis in high surgical risk patients. Long-term outcomes after EUS-GBD were promising.
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Natural history and outcome of inflammatory bowel diseases in children in Saudi Arabia: A single-center experience
Khalid M Alreheili, Khalid A Alsaleem, Ali I Almehaidib
May-June 2018, 24(3):171-176
DOI:10.4103/sjg.SJG_490_17  PMID:29676289
Background/Aim: Inflammatory bowel disease (IBD) is a chronic gastrointestinal disorder which includes ulcerative colitis (UC), Crohn's disease (CD), and indeterminate colitis (IC). The natural history of pediatric IBDs is poorly understood and generally unpredictable. We aim to study the natural history of IBD in Saudi children including the extraintestinal manifestations, changes in diagnosis, disease behavior, medical management, and surgical outcome. Patients and Methods: A retrospective review of all the charts of children less than 14 years of age who were diagnosed as IBD and followed up in King Faisal Specialist Hospital and Research Center (KFSH and RC) from January 2001 to December 2011 was performed. Results: Sixty-six children were diagnosed with IBD, 36 patients (54.5%) had CD, 27 patients (41%) had UC, and 3 patients (4.5%) had IC. Change in the diagnosis from UC to CD was made in 5 patients (7.6%). Extraintestinal manifestations were documented in 32% of all patients, and the most common was bone involvement (osteopenia/osteoporosis) in 16.7% of the patients. Arthritis (13.6%) was the second most common manifestation. Sclerosing cholangitis was reported in 2.8% in CD compared to 14.8% in UC. At the time of data collection, 8 patients (12%) were off therapy, 38 patients (57.6) were on 5-ASA, 31 patients (47%) were on azathioprine, and 12 patients (18.2%) were receiving anti-TNF. Of the children with CD, 10 patients (27.8%) underwent 1 or more major operations. Of the children with UC, 18.5% underwent 1 or more major intraabdominal procedures. Conclusions: Many issues in pediatric IBD can predict the natural history of the disease including growth failure, complications, need for more aggressive medical treatment, and/or surgery. More studies are needed from the region focusing on factors that may affect the natural history and disease progression.
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Clinical and prognostic significance of MUC1 expression in patients with esophageal squamous cell carcinoma after radical resection
Zhi-Gang Sun, Li Yu, Wei Gao, Zhou Wang, Liang-Ming Zhu
May-June 2018, 24(3):165-170
DOI:10.4103/sjg.SJG_420_17  PMID:29798942
Background/Aim: To investigate the clinical and prognostic significance of MUC1 expression in patients with esophageal squamous cell carcinoma (ESCC) after radical resection. Materials and Methods: A total of 108 ESCC specimens were evaluated by reverse transcriptase-polymerase chain reaction (RT-PCR) to detect MUC1 at the mRNA level and were evaluated by immunohistochemistry (IHC) to detect MUC1 at the protein level. Results: MUC1 mRNA was found in 74 cases by RT-PCR and MUC1 protein expression was found by IHC in 70 cases. Both MUC1 mRNA and protein expression correlated with pT (<0.05), pN (P < 0.01), and pTNM (<0.01). The 5-year survival rates of the patients were 39.8%. In univariate analysis, the 5-year survival rate in the ESCC patients was significantly associated with pT (P < 0.01), pN (P < 0.01), pTNM stage (P < 0.01), and MUC1 mRNA and protein expression (P < 0.05). In multivariate analysis, pN and MUC1 expression were the independent relevant factors. Conclusion: MUC1 expression can become a useful marker to predict poor prognostic factors for 5-year survival rate in patients with ESCC after radical resection.
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LETTER TO EDITOR
Colorectal cancer: A looming threat, opportunities, and challenges for the Saudi population and its healthcare system
Mohammad Azhar Aziz, Haafiz Allah-Bakhsh
May-June 2018, 24(3):196-197
DOI:10.4103/sjg.SJG_164_18  PMID:29798943
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