This systematic review with meta-analysis sought to determine the impact of posterior pericardiotomy on incidences of atrial fibrillation and supraventricular arrhythmias, pericardial effusion, pleural effusion, tamponade, and the length of hospital stay after cardiac surgery. We searched for randomized controlled trials, using Medline, Embase, Elsevier and Sciences online databases as well as Google Scholar literature. The effect sizes measured were odds ratio for categorical variables and standard mean difference with 95% confidence interval for calculating differences between mean values of hospital stay in intervention and control groups. A value of p < 0.1 for Q test or I(2 )> 50% indicated significant heterogeneity between the studies. The literature search of all major databases retrieved 20 studies. After screening, 12 suitable trials were identified, which reported outcomes of 2052 patients undergoing cardiac surgery. Posterior pericardiotomy had an odds ratio of 0.33 [95% confidence interval: 0.18-0.61] p < 0.001 for atrial fibrillation; odds ratio 0.32 [0.15-0.67] p = 0.003 for supraventricular arrhythmias; odds ratio 0.09 [0.04-0.19] p = 0.000 for early pericardial effusion and odds ratio 0.04 [0.02-0.08] p < 0.001 for late pericardial effusion; odds ratio 1.64 [1.23-2.20] p = 0.001 for pleural effusion, odds ratio 0.07 [0.02-0.27] p < 0.001 for tamponade, and standard mean difference = 0.01 [-0.12 to 0.14] p = 0.8 for hospital stay. Posterior pericardiotomy is a simple intraoperative technique that can improve postoperative clinical outcomes. However, the incidence of pleural effusion associated with posterior pericardiotomy might be higher.
Background/Aim:Resistance to metronidazole is one of the most common reasons for Helicobacter pylori treatment failure with the classic triple therapy. The clarithromycin-based regimen is not cost-effective for use in developing countries. Though furazolidone is a great substitute it has many side effects. Decreasing the duration of treatment with furazolidone to 1 week may help decrease the drug's side effects.Aim:To study the efficacy and side effects of furazolidone when given for 1 week in combination with bismuth subcitrate, amoxicillin, and omeprazole.Patients and Methods:One hundred and seventy-seven patients with duodenal ulcer were randomly divided into two groups. Group I received omeprazole 2 Χ 20 mg + amoxicillin 2 Χ 1 g + bismuth subcitrate 4 Χ 120 mg for 2 weeks, with furazolidone 2 Χ 200 mg in the first week only. Group II received the same regimen, except that 1 week of furazolidone was followed by 1 week of metronidazole in the second week. Control endoscopy was performed after 6 weeks. Three biopsies from the antrum and three from the corpus were taken for urease testing and histology. Eradication was concluded if all tests were negative for H pylori.Results:One hundred and fifty-seven patients completed the study. Two subjects from group I and three from group II did not tolerate the regimen and were excluded from the analysis. No serious complication was detected in any patient. The eradication rates by per-protocol (PP) analysis and intention-to-treat (ITT) analysis were 89% and 79.3% in group I and 86.6% and 74.4% in group II, respectively.Conclusion:One week of furazolidone in combination with 2 weeks of amoxicillin, omeprazole, and bismuth subcitrate is a safe and cost-effective regimen for the eradication of H pylori. Adding metronidazole to the above regimen does not increase the eradication rate.
Intramyocardial transplantation of bone marrow stem cells improves cardiac functional parameters, significantly increasing left ventricular ejection fraction with a nonsignificant reduction in left ventricular end-diastolic volume. Also, this therapeutic method has no life-threatening complications and was therefore found to be an effective and safe method.
A best evidence topic in cardiac surgery was written according to a structured protocol. The question addressed was whether preservation of the pleura during internal mammary artery (IMA) harvesting improved clinical outcomes after coronary artery bypass graft surgery. More than 210 papers were found using the reported search, of which 18 presented the best evidence to answer the clinical question. The author, journal, date and country of publication, patient group studies, relevant outcomes, results and study weakness of these papers are tabulated. Most studies dealt with investigating the radiographic changes, pulmonary function tests, ventilation time and also clinical consequences, such as bleeding, the need for blood transfusion, pain scores and the length of hospital stay. There is still no meta-analysis and systematic review regarding this surgical problem. Eighteen articles were found, of which 6 were prospective randomized, controlled trials and 12 were cohort studies. In these studies, some beneficial clinical outcomes were reported including: pleural effusion (15 studies), atelectasis (11 studies), pulmonary function tests (9 studies), arterial blood gases (5 studies), postoperative pain (6 studies), tamponade (2 studies), ventilation time (12 studies with), blood loss (9 studies), transfusion (4 studies), intensive care unit stay (5 studies) and hospital stay (12 studies). Based on our findings, preservation of pleural integrity seems to contribute to decreased pulmonary complications and improved clinical outcomes, such as bleeding, pain and length of hospital stay.
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