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Clinical experience with the Silc Cup Vacuum Extractor
1Department of Gynaecological Oncology & Urology, Kandang Kerbau Hospital, Singapore.
The relative merits of vacuum extraction have been extensively studied and its advantages analysed. These include its ease of application, encouragement of "autorotation" of the malpositioned foetal head and its safety for both foetus and especially the mother. One hundred and eighty-six vacuum extraction assisted deliveries were performed at the Department of Gynaecological Oncology & Urology, Kandang Kerbau Hospital, from 1988 to 1990 using the 50 mm Silicone Silc Cup Vacuum Extractor (Menox AB). Anaesthetic requirements were minimal with 97% of cases accomplished with local perineal anaesthesia. Maternal complications were very few and only 1.6% of cases had third degree lacerations. There was no maternal or foetal mortality. The most frequent foetal morbidity was neonatal jaundice (28%) with only 7% requiring phototherapy. Cephalohaematoma was found in 8% and 2% had minor scalp abrasions. There were 3 infants with subaponeurotic haematoma who subsequently recovered uneventfully. Vacuum deliveries that were attempted but completed by forceps deliveries ("failed" vacuum extraction) accounted for 10% of total cases. The Silc cup vacuum extractor although not a replacement for all forceps manoeuvres offers a safe and efficient method of assisted delivery under the appropriate clinical circumstances.
The relative merits of vacuum extraction have been extensively studied and its advantages analysed. These include its ease of application, encouragement of "autorotation" of the malpositioned foetal head and its safety for both foetus and especially the mother. One hundred and eighty-six vacuum extraction assisted deliveries were performed at the Department of Gynaecological Oncology & Urology, Kandang Kerbau Hospital, from 1988 to 1990 using the 50 mm Silicone Silc Cup Vacuum Extractor (Menox AB). Anaesthetic requirements were minimal with 97% of cases accomplished with local perineal anaesthesia. Maternal complications were very few and only 1.6% of cases had third degree lacerations. There was no maternal or foetal mortality. The most frequent foetal morbidity was neonatal jaundice (28%) with only 7% requiring phototherapy. Cephalohaematoma was found in 8% and 2% had minor scalp abrasions. There were 3 infants with subaponeurotic haematoma who subsequently recovered uneventfully. Vacuum deliveries that were attempted but completed by forceps deliveries ("failed" vacuum extraction) accounted for 10% of total cases. The Silc cup vacuum extractor although not a replacement for all forceps manoeuvres offers a safe and efficient method of assisted delivery under the appropriate clinical circumstances.