AIMTo determine if topical application of platelet-rich plasma (PRP) to diabetic foot ulcers (DFUs) results in superior healing rates.METHODSA systematic review was registered with PROSPERO and performed using PRISMA guidelines. Level I-IV investigations of topical PRP application in DFUs were sought in multiple databases including: MEDLINE, Web of Science, and Cochrane Central Register of Controlled Trials. The search terms used were “platelet rich plasma”, “diabetes”, “ulcers”, and “wound”. The Modified Coleman Methodology Score (MCMS) was used to analyze study methodological quality. Study heterogeneity and a mostly non-comparative nature of evidence precluded meta-analysis. Only the outcome measurements used by more than 50% of the studies were included in the data synthesis to increase power of the measurement over that of individual studies. A weighted mean of healing rate per week between PRP group vs controls were compared using two-sample z-tests using P-value of less than 0.05 for significance.RESULTSOne thousand two hundred and seventeen articles were screened. Eleven articles (322 PRP subjects, 126 controls, PRP subject mean age 58.4 ± 7.2 years, control mean age 58.7 ± 5.9 years) were analyzed. Six articles were level II evidence, four were level III, and one article was level IV. The mean MCMS was 61.8 ± 7.3. Healing rate was significantly faster with PRP application compared to controls (0.68 ± 0.56 cm2/wk vs 0.39 ± 0.09 cm2/wk; P < 0.001). Mean heal time to > 90% of the original ulcer area was 7.8 ± 2.7 wk and 8.3 ± 3.7 wk for patients in the PRP group and control groups, respectively (P = 0.115). There were significantly lower adverse effects reported with PRP application compared to controls (7 wound infections, 1 contact dermatitis vs 14 wound infections, 1 maceration; P < 0.001).CONCLUSIONThe topical application of PRP for DFUs results in statistically superior healing rates and lower complication rates compared to controls.
Background: There is mixed evidence in the superiority of conservative versus conventional approach to oxygen therapy among patients admitted into the intensive care unit (ICU). The purpose of this study was to determine if conservative versus conventional oxygenation results in a statistically significant difference in outcomes in ICU patients.Methods: A systematic review was registered with the International Prospective Register of Systematic Reviews (PROSPERO) and performed using Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines. Inclusion criteria consisted of Level I-IV investigations of conservative versus conventional oxygenation among ICU patients. ICU mortality, 28-day mortality, in-hospital mortality, ICU length-of-stay, hospital length-of-stay, rate of new infections, and rate of new non-respiratory organ failure were compared using two-sample Z-tests using p-value less than 0.05.Results: Three thousand four hundred thirty-three articles were screened. Four articles were included in the analysis. Three hundred seventy-two patients under the conservative oxygenation arm (Minimum target SpO2: 88-94%) and 370 patients under the conventional oxygenation arm (Minimum target SpO2: 96-97%) were analyzed. ICU mortality (16.7 ± 9.5% vs. 22.7 ± 6.0%; P<0.01), 28-day mortality (34.6 ± 26.4% vs. 41.6 ± 14.6%; P=0.02), and in-hospital mortality (30.2 ± 22.5% vs. 37.7 ± 14.2%; P<0.01) were all significantly lower in the conservative oxygenation arm versus the conventional oxygenation arm, respectively. Rate of new non-respiratory organ failure was also significantly lower in the conservative oxygenation arm (20.0 ± 8.5% vs. 29.7 ± 11.7%; P<0.01).Conclusion: The authors conclude that conservative oxygenation therapy could result in significantly lower rates of ICU mortality, 28-day mortality, in-hospital mortality, and new-onset non-respiratory organ failure. Further randomized controlled studies that show clinical outcome improvement in multiple parameters may be worthwhile to assess the true efficacy of this practice.
This study demonstrates a novel technique using an antibiotic mesh to reduce bacterial access to breast implants at the time of insertion. Further investigation is warranted with more clinical cases in order to recommend this technique for the management of subclinical infection and CC.
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