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Voice outcomes following radiation versus laser microsurgery for T1 glottic carcinoma: systematic review and meta-analysis.

ABSTRACT: Systematic review of literature on patient-reported voice handicap following T1 glottic squamous cell carcinoma treatment using transoral laser microsurgery or radiation therapy.PubMed, Web of Science, and Scopus (1997-2013).These data sources were searched for papers reporting Voice Handicap Index (VHI) after treatment of early glottic carcinoma. Review and reference cross-checking were performed using a priori selection criteria. Study data were abstracted and publication quality categorized independently by 2 authors. Corresponding authors were contacted to maximize data for analysis. Meta-analysis was performed only with studies that included both treatment modalities, to reduce heterogeneity and maximize rigor; random effects modeling was used to pool results.Eighteen publications were identified that reported VHI data following surgery and radiotherapy for T1 glottic carcinoma. No studies were randomized. When studies that reported multiple T-stages or systematic treatment selection bias were excluded, 8 retrospective cohort studies describing 362 patients were suitable for meta-analysis. Follow-up time (mean, 47 months; range, 1-298 mo) and extent of surgical excision varied across studies. Six studies showed no VHI difference between treatment arms; 2 favored radiotherapy over surgery (1 of which reported transmuscular cordectomy for all surgical patients); and none favored surgery. Meta-analysis showed no significant difference in posttreatment VHI between radiotherapy and surgery (mean difference, -5.52; 95% confidence interval, -11.40, 0.36; heterogeneity I (2) = 61%, P = .01).VHI scores were comparable following transoral laser microsurgery and radiation therapy for T1 glottic carcinoma in the current literature, suggesting no clinically significant difference in functional voice outcomes between treatment types.

SUBMITTER: Greulich MT

PROVIDER: S-EPMC5560897 | biostudies-other | 2015 May

REPOSITORIES: biostudies-other

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Project description:BACKGROUND:Nowadays 57% of the cardiologists based in the United Kingdom and 32% of the cardiologists based in Canada utilize same day discharge (SDD) following elective percutaneous coronary intervention (PCI) as a routine practice. In this analysis, we aimed to systematically assess early versus late clinical outcomes following SDD after elective PCI. METHODS:The Medical Literature Analysis and Retrieval System Online, the Cochrane Central, the Resources from the United States National Library of Medicine (www.ClinicalTrials.gov: http://www.clinicaltrials.gov) and EMBASE were carefully searched for relevant English publications which reported early versus late clinical outcomes in patients who were discharged on the same day following revascularization by PCI. Relevant clinical outcomes which were reported in the original studies were considered as the endpoints in this analysis. Odd ratios (OR) and 95% confidence intervals (CI) were used to represent the data, and RevMan 5.3 was used as the statistical software. RESULTS:A total number of 21, 687 participants (enrollment time period from the year 1998 to the year 2015) were assigned to this analysis. When early versus late clinical outcomes were compared in patients who were discharged on the same day following elective PCI, major adverse cardiac events (OR: 0.75, 95% CI: 0.31-1.79; P?=?.51), mortality (OR: 0.26, 95% CI: 0.06-1.06; P?=?.06), stroke (OR: 1.46, 95% CI: 0.72-2.94; P?=?.29), arrhythmia (OR: 1.30, 95% CI: 0.64-2.63; P?=?.47), hematoma (OR: 1.00, 95% CI: 0.60-1.66; P?=?1.00) and major bleeding from access site (OR: 1.68, 95% CI: 0.22-12.85; P?=?.62) were not significantly different. Post-procedural myocardial infarction (OR: 2.01, 95% CI: 0.71-5.70; P?=?.19) and minor bleeding from access site (OR: 6.61, 95% CI: 0.86-50.66; P?=?.07) were also similarly manifested. However, re-hospitalization was significantly higher in those patients with late clinical outcomes (OR: 0.18, 95% CI: 0.07-0.44; P?=?.0002). CONCLUSIONS:In those patients who were discharged from the hospital on the same day following elective PCI, no significant difference was observed in the assessed early versus late clinical outcomes. However, late clinical outcomes resulted in a significantly higher rate of re-hospitalization. Larger studies should confirm this hypothesis.

Project description:Transanal endoscopic microsurgery (TEM) for the treatment of early-stage rectal cancer has attracted attention due to its advantages of reduced surgical trauma, fewer complications, low operative mortality, rapid postoperative recovery and short hospital stay. However, there are still significant controversies regarding TEM for the treatment of rectal cancer, mainly related to the prognosis associated with this method.This study sought to compare the efficacy of transanal endoscopic microsurgery (TEM) and total mesorectal excision (TME) for the treatment of T1 rectal cancer.We searched the Cochrane Library, PubMed, Embase and CNKI databases. Based on the Cochrane Handbook for Systematic Reviews, we screened the trials, evaluated the quality and extracted the data.One randomized controlled trial (RCT) and six non-randomized controlled clinical trials (CCTs) were included in the meta-analysis (a total of 860 rectal cancer patients were included; 303 patients were treated with TEM, and 557 patients were treated with TME). Analysis revealed that all seven studies reported local recurrence rates, and there was a significant difference between the TEM and TME groups [odds ratio (OR) = 4.62, 95% confidence interval (CI) (2.03, 10.53), P = 0.0003]. A total of five studies reported distant metastasis rates, and there was no significant difference between the TEM and TME groups [OR = 0.74, 95%CI (0.32, 1.72), P = 0.49]. A total of six studies reported postoperative overall survival of the patients, and there was no significant difference between the TEM and TME groups [OR = 0.87, 95%CI(0.55, 1.38), P = 0.55]. In addition, two studies reported the postoperative disease-free survival rates of patients, and there was no significant difference between the TEM and TME groups [OR = 1.12, 95%CI (0.31, 4.12), P = 0.86].For patients with T1 rectal cancer, the distant metastasis, overall survival and disease-free survival rates did not differ between the TEM and TME groups, although the local recurrence rate after TEM was higher than that after TME.

Project description:Introduction: Cryoablation has been considered as the most efficacious ablative alternative to partial nephrectomy (PN) for selected patients. Our objective is to assess the existing evidence relating to the safety and efficacy of cryoablation compared with PN for clinical T1 renal masses. Materials and Methods: A comprehensive search of PMC, EMBASE, and the Cochrane Library was conducted to identify studies containing comparison of cryoablation and PN. By utilizing those included studies, a systematic review and cumulative meta-analyses were performed to assess the safety and efficacy between cryoablation and PN for T1 renal masses. Results: 17 retrospective studies providing available data were included in our study. Significant differences were found about all oncological variables including all-cause death, cancer-specific death, metastasis and local-recurrence (p < 0.001, p = 0.03, p < 0.001, and p < 0.001, respectively) between the PN group and the cryoablation group. The mean difference between two groups for percent estimated glomerular filtration rate decrease and creatinine increase was -4.84 and 0.15 respectively (p < 0.001 and p = 0.006, respectively). The incidences of overall and postoperative complications in the PN group were significantly higher than that in the cryoablation group (p = 0.001 and p < 0.001, respectively), but the result about intraoperative complications didn't show a significant difference between the two groups (p = 0.53). Conclusions: Comparing with PN, cryoablation for clinical T1 renal tumors is associated with poorer oncological outcomes, but the existing disadvantages are accompanied by lower rate of overall and postoperative complications and superior renal functional preservation. For patients with imperative indications for nephron-sparing surgery who can't risk more invasive PN, cryoablation could be an attractive option. Owing to the inherent limitations of eligible studies, conclusions drawn from our meta-analyses should be interpreted cautiously and be confirmed further with well-designed randomized controlled trials with extensive follow-up length.

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Voice outcomes following radiation versus laser microsurgery for T1 glottic carcinoma: systematic review and meta-analysis.

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