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2.
JBRA Assist Reprod ; 23(2): 106-111, 2019 04 30.
Article in English | MEDLINE | ID: mdl-30614238

ABSTRACT

OBJECTIVE: To describe our fertility preservation program focusing on the number of oocytes vitrified by age. METHODS: From January 2015 to December 2016, 686 oocyte vitrification cycles were performed in our units for the social fertility preservation program. In total, 288 were donors who donated their oocytes for our oocyte-banking program, and 398 were patients who underwent elective fertility preservation. RESULTS: The mean numbers of COCs retrieved and vitrified oocytes were similar among the donor cycles (women under 30 years). In those patients over 36 years of age the mean numbers of COCs retrieved and vitrified oocytes were significantly lower. We also estimated the association between age and cancelation rates. Odd ratios (OR) for total cancelation was calculated between patients of 31-35 years and 41-45 years; the OR was 5.17 (95% CI 1.89 - 14.17) and increased up to 25.67 (95% CI 5.01 - 131.42) between patients 31-35 y and those older than 45 years. No differences were found between patients of 31-35 years and 36-40 years. The OR for total cancellation increased 3.83 (95% CI 2.06 - 7.11) and 19.00 (95% CI 4.56 - 79.11) between women 36-40 years and 41-45 years, and those older than 45 years, respectively. Finally, the oocyte survival rate in patients under 36 years of age was similar to that of our donor program (94% vs. 95%). CONCLUSIONS: Based on this study, we encouraged our patients under than 36 years of age to preserve their fertility for the future.


Subject(s)
Fertility Preservation , Oocyte Donation , Patient Education as Topic , Vitrification , Adult , Age Factors , Cell Survival/physiology , Cryopreservation , Female , Humans , Middle Aged , Oocyte Retrieval , Oocytes/physiology
3.
Trans R Soc Trop Med Hyg ; 100(12): 1173-82, 2006 Dec.
Article in English | MEDLINE | ID: mdl-16698053

ABSTRACT

The efficacy and safety of two whole IgG polyvalent antivenoms (A and B) were compared in a randomised, blinded clinical trial in 67 patients systemically envenomed by Bothrops asper in Colombia. Both antivenoms were fractionated by caprylic acid precipitation and had similar neutralising potencies, protein concentrations and aggregate contents. Antivenom B was additionally treated with beta-propiolactone to lower its anticomplementary activity. Analysing all treatment regimens together, there were no significant differences between the two antivenoms (A=34 patients; B=33 patients) in the time taken to reverse venom-induced bleeding and coagulopathy, to restore physiological fibrinogen concentrations and to clear serum venom antigenaemia. Blood coagulability was restored within 6-24 h in 97% of patients, all of whom had normal coagulation and plasma fibrinogen levels 48 h after the start of antivenom treatment. Two patients (3.0%) had recurrent coagulopathy and eight patients suffered recurrence of antigenaemia within 72 h of treatment. None of the dosage regimens of either antivenom used guaranteed resolution of venom-induced coagulopathy within 6 h, nor did they prevent recurrences. A further dose of antivenom at 6 h also did not guarantee resolution of coagulopathy within 12-24 h in all patients. The incidence of early adverse reactions (all mild) was similar for both antivenoms (15% and 24%; P>0.05).


Subject(s)
Antivenins/therapeutic use , Bothrops , Crotalid Venoms/blood , Snake Bites/drug therapy , Adolescent , Adult , Aged , Animals , Antivenins/blood , Antivenins/chemistry , Blood Coagulation Disorders/drug therapy , Blood Coagulation Disorders/etiology , Caprylates/pharmacology , Chemical Fractionation/methods , Child , Child, Preschool , Dose-Response Relationship, Drug , Enzyme-Linked Immunosorbent Assay , Female , Fibrinogen/metabolism , Humans , Immunoglobulin G , Male , Mice , Middle Aged , Propiolactone/pharmacology , Recurrence , Snake Bites/blood , Treatment Outcome , Whole Blood Coagulation Time
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