49 research outputs found
Ovarian reserve after salpingectomy: a systematic review and meta-analysis
Introduction
Although there has been a growing concern over the possible damaging effect of salpingectomy on ovarian reserve, this issue remains uncertain. The purpose of this meta-analysis was to test the hypothesis that salpingectomy may compromise ovarian reserve.
Material and methods
A detailed search was conducted using MEDLINE, Embase, Dynamed Plus, ScienceDirect, TRIP database and the Cochrane Library from January 2000 to November 2016. All cohort, cross-sectional and randomized controlled studies investigating changes in circulating anti-MĂŒllerian hormone (AMH) after salpingectomy were considered. Thirty-seven studies were identified, of which eight were eligible. Data were extracted and entered into RevMan software for calculation of the weighted mean difference (WMD) and 95% CI. Two groups of studies were analyzed separately: group 1 (six studies, n = 464) comparing data before and after salpingectomy and group 2 (two studies) comparing data in women who have undergone salpingectomy (n = 169) vs. healthy controls (n = 154).
Results
Pooled results of group 1 studies showed no statistically significant change in serum AMH concentration after salpingectomy (WMD, â0.10 ng/mL; 95% CI â0.19 to 0.00, I2 = 0%). Similarly, meta-analysis of group 2 showed no statistically significant difference in serum AMH concentration between salpingectomy group and controls (WMD, â0.11 ng/mL; 95% CI â0.37 to 0.14, I2 = 77%). Subgroup analyses based on laterality of surgery, type of AMH kit and participantsâ age (<40 years) still showed no statistically significant changes in circulating AMH.
Conclusion
Salpingectomy does not seem to compromise ovarian reserve in the short-term. However, the long-term effect of salpingectomy on ovarian reserve remains uncertain
Faster is better; Betydningen av maksimal anaerob lÞpshastighet for tidsprestasjon pÄ 800 meter.
FormĂ„l: Ă
se pÄ betydningen av maksimal anaerob lÞpshastighet (MANS) for prestasjon i 800m lÞp i et utvalg heterogent for maksimal aerob hastighet (MAS), herunder betydningen av anaerob hastighetsreserve (ASR). Metode: 22 unge og friske, middels godt trente forsÞkspersoner deltok. Disse ble testet for; VO2max- og lÞpsÞkonomi (Cr), som sammen utgjorde verdien av MAS, 100-meter (MANS), 800-meter, samt en tid-til-utmattelsestest pÄ 130% av MAS (TTU). ASR ble kalkulert som den relative differansen mellom MAS og MANS. Resultat: MAS og MANS predikerte majoriteten av prestasjonen pÄ 800m. Summen av r2 for MAS og MANS var 1.0. I gjennomsnitt var de raskeste pÄ 100m ogsÄ de raskeste pÄ 800m, og MANS korrelerte signifikant med 800m tid. LÞperne med bedre enn gjennomsnitt 100m tid lÞp 15% raskere pÄ 800m enn de som hadde de lengste 100m tidene. Det var ingen signifikant forskjell mellom de raske og langsomme 100m tider pÄ TTU eller ASR, eller noen signifikant korrelasjon mellom TTU, ASR og 800m tid. Imidlertid hadde lÞperne med hÞyst ASR tilnÊrmet dobbelt sÄ lang TTU (122.1±36.1s vs 60,6±15.9s). ASR korrelerte signifikant med TTU. Konklusjon: MANS hadde signifikant betydning for tidsprestasjon pÄ 800m, bÄde per se og som en viktig bestemmende faktor for ASR, og dermed ogsÄ for TTU