Frequency of anal sphincter rupture at delivery in Sweden and Finland--result of difference in manual help to the baby's head

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Fältnamn	Indikatorer	Metadata
000		03958naa a2200373 4500
001		oai:lup.lub.lu.se:b61a51d3-31f9-40c1-b092-03a5053eb816
003		SwePub
008		160401s1998 \| \|\|\|\|\|\|\|\|\|\|\|000 \|\|eng\|
024	7	a https://lup.lub.lu.se/record/11129262 URI
024	7	a https://doi.org/10.1034/j.1600-0412.1998.771005.x2 DOI
040		a (SwePub)lu
041		a engb eng
042		9 SwePub
072	7	a art2 swepub-publicationtype
072	7	a ref2 swepub-contenttype
100	1	a Pirhonen, J P4 aut
245	1 0	a Frequency of anal sphincter rupture at delivery in Sweden and Finland--result of difference in manual help to the baby's head
264		c 2003-06-10
264	1	b Wiley,c 1998
520		a BACKGROUND: Anal sphincter rupture is a serious complication of vaginal delivery and almost half the affected women have persistent defecatory symptoms despite adequate primary repair. During the past decade, the incidence of anal sphincter ruptures has been increasing in Sweden and is currently estimated to occur in 2.5% of vaginal deliveries. The aim of the study was to report the frequency of anal sphincter ruptures in two university hospitals in two Scandinavian countries, Malmo in Sweden and Turku in Finland, and analyze the potential determinants. METHODS: Retrospective analysis of a population of 30,933 deliveries (26,541 vaginal) during the years 1990 to 1994. RESULTS: The incidence of anal sphincter ruptures in Malmo, Sweden was 2.69%, and in Turku, Finland 0.36%. There were no significant population differences for the known risk factors (fetal weight, nulliparity or fetal head circumference). However, there is a difference in manual support given to the perineum and to the baby's head when crowning through the vaginal introitus between Malmo and Turku. The proportion of operative vaginal deliveries and abnormal presentations was significantly higher in Turku reflected in the lower Apgar score at 5 minutes and longer duration of second phase of labor. When high risk deliveries (operative vaginal delivery, abnormal presentation and newborns over 4,000 g) were excluded, the risk for anal sphincter ruptures was estimated to be 13 times higher in Malmo than in Turku. CONCLUSIONS: The difference in the incidence of anal sphincter rupture between Malmo, Sweden and Turku, Finland may be due to the difference in manual control of the baby's head when crowning.
650	7	a MEDICIN OCH HÄLSOVETENSKAPx Klinisk medicinx Reproduktionsmedicin och gynekologi0 (SwePub)302202 hsv//swe
650	7	a MEDICAL AND HEALTH SCIENCESx Clinical Medicinex Obstetrics, Gynaecology and Reproductive Medicine0 (SwePub)302202 hsv//eng
700	1	a Grenman, S E4 aut
700	1	a Haadem, K4 aut
700	1	a Gudmundsson, Saemunduru Lund University,Lunds universitet,Institutionen för kliniska vetenskaper, Malmö,Medicinska fakulteten,Department of Clinical Sciences, Malmö,Faculty of Medicine4 aut0 (Swepub:lu)obst-sgu
700	1	a Lindqvist, Pelleu Lund University,Lunds universitet,Institutionen för kliniska vetenskaper, Malmö,Medicinska fakulteten,Department of Clinical Sciences, Malmö,Faculty of Medicine4 aut0 (Swepub:lu)obst-pli
700	1	a Siihola, S4 aut
700	1	a Erkkola, R U4 aut
700	1	a Marsal, Karelu Lund University,Lunds universitet,Obstetrik och gynekologi, Lund,Sektion V,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Obstetrics and Gynaecology (Lund),Section V,Department of Clinical Sciences, Lund,Faculty of Medicine4 aut0 (Swepub:lu)gyn-kma
710	2	a Institutionen för kliniska vetenskaper, Malmöb Medicinska fakulteten4 org
773	0	t Acta Obstetricia et Gynecologica Scandinavicad : Wileyg 77:10, s. 974-977q 77:10<974-977x 1600-0412x 0001-6349
856	4	u http://dx.doi.org/10.1034/j.1600-0412.1998.771005.xy FULLTEXT
856	4 8	u https://lup.lub.lu.se/record/1112926
856	4 8	u https://doi.org/10.1034/j.1600-0412.1998.771005.x

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By the author/editor: Pirhonen, J P; Grenman, S E; Haadem, K; Gudmundsson, Sae ...; Lindqvist, Pelle; Siihola, S; show more...; Erkkola, R U; Marsal, Karel; show less...

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MEDICAL AND HEALTH SCIENCES: MEDICAL AND HEAL ...; and Clinical Medicin ...; and Obstetrics Gynae ...

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