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Effectiveness and safety of lidocaine in the induction of fetal cardiac asystole for second trimester pregnany termination.
MedLine Citation:
PMID:  23767379     Owner:  NLM     Status:  In-Process    
Abstract/OtherAbstract:
METHODS: We conducted a chart review of all patients who underwent a second trimester termination of pregnancy at our institution between March 2009 and June 2012. We collected data regarding the indication for the termination procedure, gestational age, site of lidocaine injection, dosage of lidocaine, need for additional to produce asystole, and maternal complications.
RESULTS: We identified 54 patients who underwent second trimester termination following injection with lidocaine. Forty-six cases (85%) were done for major fetal anomalies and 8 cases (15%) were for maternal indications. The mean gestational age was 22 weeks (SD = 2.3). The mean volume of lidocaine 1% injected was 10.1 mL (range: 5-40 mL). Asystole was achieved in 1-2 minutes following intracardiac administration. Intracardiac injection was successful in 45/46 (98%) of cases. Intrathoracic administration was successful in 5/6 (83%). This approach was chosen when cardiac puncture was not effective. Two fetuses receiving an initial intraabdominal or umbilical vein injection required additional doses of intracardiac lidocaine to produce asystole. There were no maternal complications.
CONCLUSIONS: Intracardiac administration of lidocaine is an effective method to induce cardiac asystole for second trimester pregnancy termination. Extra-cardiac injection, however, is less effective.
Authors:
Ronald López-Cepero; Lauren Lynch; Alberto de la Vega
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Boletín de la Asociación Médica de Puerto Rico     Volume:  105     ISSN:  0004-4849     ISO Abbreviation:  Bol Asoc Med P R     Publication Date:  2013  
Date Detail:
Created Date:  2013-06-17     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7505267     Medline TA:  Bol Asoc Med P R     Country:  Puerto Rico    
Other Details:
Languages:  eng     Pagination:  14-7     Citation Subset:  IM    
Affiliation:
University of Puerto Rico, Medical Sciences Campus, School of Medicine, Department of Obstetrics and Gynecology, PO Box 365067, San Juan Puerto Rico 00936-5067. ronald.lopez-cepero@upr.edu
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