PubMed · 4688267
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W D Walden. 1973. Modified cervical block for elective abortion procedures.. https://pubmed.ncbi.nlm.nih.gov/4688267/
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INTRODUCTION: Due to a rather high complication rate, we decided to analyze data from women, who were readmitted to hospital with complications to legal abortion. MATERIAL: 760 legal abortions performed in 1993-1994 were retrospectively reviewed for complications. RESULTS: We found 66 complications (8.7% (95% confidence limits (6.7-10.7)), that resulted in readmission to hospital. The distribution of complications was as follows: retention 41 (62% (50-74)), infection 12 (18% (9-27)), bleeding and pain 11 (17% (8-26)) and perforation two (3% (0-7)). There was a slight correlation between a stronger midline echo on ultrasound measurement of the uterine cavity and finding placental tissue on histological examination of the material obtained from reevacuation. The time interval between legal abortion and reevacuation was nine days. Retroflexio uteri was not correlated with reevacuation. CONCLUSIONS: We found a statistically increased risk of complications following legal abortion relative to the figures reported by the national health authority, but not significantly higher than that found in other reports. Moreover, a conservative attitude to retention can reduce the number of reevacuatio uteri after legal abortion.
INTRODUCTION: The aim was to investigate the degree to which experience influenced the complication rate (cr) in legal abortion. We also compared our cr with that registered by the National Health Service for the same group of patients. MATERIAL: 760 legal abortions from 1993 to 1994 were reviewed retrospectively. RESULTS: We found an overall cr of 8.7% (95% confidence limit: 6.7-10.7). The cr was the same for all groups of doctors, from the youngest to the most senior and experienced surgeons. The experience in months of the younger surgeons was noted for each intervention, and we found that they did not improve their results over time or by practice. In the same study, we found that the National Health Service had received, registered, and published statistical data from the hospitals, which were not entirely accurate. CONCLUSION: The complication rate was not associated with the experience of the surgeon.
There are grounds for suspecting that, to varying degrees, smoking, alcohol consumption, oral contraceptive use, vasectomy and induced abortion are markers for high steroid hormone levels. So in epidemiological studies, false inferences may be drawn that these markers (treated as risk factors) have causal or exacerbating effects on diseases which are truly partially caused by high levels of hormones (e.g. probably prostatic cancer and breast cancer). Analogously, such studies of conditions which are truly partially caused by low levels of hormones (e.g. bone fractures, poor sperm quality, and perhaps testicular cancer and rheumatoid arthritis) may yield spurious suggestions of an ameliorative effect. The results of epidemiological studies of the above five "risk factors" for the above six pathologies are-in many cases-in striking disarray. I suggest that this is, at least partially, because of this form of confounding. The point may be tested by contrasting the hormone levels of people who self-select for smoking, vasectomy, etc., at the time that self-selection is made with those of appropriately selected control subjects.