Low-pressure aspiration abortion for obtaining embryonic and early gestational fetal tissue for research purposes.

Abstract:

:Successful transplantation of cadaver embryonic neural tissue is highly dependent on the method used to obtain the tissue. It is important that the tissue not be contaminated bacteriologically by vaginal flora during the procedure, and that it not be disrupted mechanically. A low-pressure aspiration abortion technique has been developed that allows for the safe, effective obtainment of embryonic tissue and reduces the risk of transmitting infection. Tissue was cultured in vitro in 102 cases with minimal evidence of contamination by vaginal flora. Transplants of neural tissue into over 300 rodents have resulted in no intracranial abscesses, even in the setting of immunosuppression. The suction apparatus and low-pressure aspiration minimize disruption of the embryonic tissue. Use of low pressure adds no significant additional risk to the patient. In over 300 cases, there have been no medical complications specifically attributable to the technique. Because local anesthetic is used and sonography is not routinely required, the procedure can easily be performed in an outpatient setting during routine elective abortions, with minimal slowing or disruption of the clinic's surgical schedule. In conclusion, the low-pressure aspiration abortion technique can be safely and effectively used to obtain embryonic and early gestational fetal tissue that is almost always free from bacterial, fungal, and yeast contamination and that is frequently structurally intact. It requires no significant alteration in indications for abortion, risks, methodology, timing of the abortion, or patient management.

journal_name

Cell Transplant

journal_title

Cell transplantation

authors

Nauert GM,Freeman TB

doi

10.1177/096368979400300202

subject

Has Abstract

pub_date

1994-03-01 00:00:00

pages

147-51

issue

2

eissn

0963-6897

issn

1555-3892

journal_volume

3

pub_type

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