Research
Episiotomy use among vaginal deliveries and the association with anal sphincter injury: a population-based retrospective cohort study
Giulia M. Muraca, Shiliang Liu, Yasser Sabr, Sarka Lisonkova, Amanda Skoll, Rollin Brant, Geoffrey W. Cundiff, Olof Stephansson, Neda Razaz and K.S. Joseph
CMAJ October 21, 2019 191 (42) E1149-E1158; DOI: https://doi.org/10.1503/cmaj.190366
Giulia M. Muraca
Clinical Epidemiology Unit, Department of Medicine (Muraca, Stephansson, Razaz), Solna, Karolinska University Hospital, Karolinska Institutet, Stockholm, Sweden; Department of Obstetrics & Gynaecology (Muraca, Sabr, Lisonkova, Skoll, Cundiff, Joseph), University of British Columbia, Vancouver, BC; Maternal, Child and Youth Health Division (Liu), Centre for Surveillance and Applied Research, Public Health Agency of Canada, Ottawa, Ont.; Department of Obstetrics and Gynaecology (Sabr), King Saud University, Riyadh, Saudi Arabia; School of Population and Public Health (Lisonkova, Joseph); Department of Statistics (Brant), University of British Columbia, Vancouver, BC; Department of Women’s and Children’s Health, Division of Obstetrics and Gynaecology (Stephansson), Karolinska Institutet, Stockholm, Sweden
PhD MPHShiliang Liu
Clinical Epidemiology Unit, Department of Medicine (Muraca, Stephansson, Razaz), Solna, Karolinska University Hospital, Karolinska Institutet, Stockholm, Sweden; Department of Obstetrics & Gynaecology (Muraca, Sabr, Lisonkova, Skoll, Cundiff, Joseph), University of British Columbia, Vancouver, BC; Maternal, Child and Youth Health Division (Liu), Centre for Surveillance and Applied Research, Public Health Agency of Canada, Ottawa, Ont.; Department of Obstetrics and Gynaecology (Sabr), King Saud University, Riyadh, Saudi Arabia; School of Population and Public Health (Lisonkova, Joseph); Department of Statistics (Brant), University of British Columbia, Vancouver, BC; Department of Women’s and Children’s Health, Division of Obstetrics and Gynaecology (Stephansson), Karolinska Institutet, Stockholm, Sweden
MB PhDYasser Sabr
Clinical Epidemiology Unit, Department of Medicine (Muraca, Stephansson, Razaz), Solna, Karolinska University Hospital, Karolinska Institutet, Stockholm, Sweden; Department of Obstetrics & Gynaecology (Muraca, Sabr, Lisonkova, Skoll, Cundiff, Joseph), University of British Columbia, Vancouver, BC; Maternal, Child and Youth Health Division (Liu), Centre for Surveillance and Applied Research, Public Health Agency of Canada, Ottawa, Ont.; Department of Obstetrics and Gynaecology (Sabr), King Saud University, Riyadh, Saudi Arabia; School of Population and Public Health (Lisonkova, Joseph); Department of Statistics (Brant), University of British Columbia, Vancouver, BC; Department of Women’s and Children’s Health, Division of Obstetrics and Gynaecology (Stephansson), Karolinska Institutet, Stockholm, Sweden
MD MHScSarka Lisonkova
Clinical Epidemiology Unit, Department of Medicine (Muraca, Stephansson, Razaz), Solna, Karolinska University Hospital, Karolinska Institutet, Stockholm, Sweden; Department of Obstetrics & Gynaecology (Muraca, Sabr, Lisonkova, Skoll, Cundiff, Joseph), University of British Columbia, Vancouver, BC; Maternal, Child and Youth Health Division (Liu), Centre for Surveillance and Applied Research, Public Health Agency of Canada, Ottawa, Ont.; Department of Obstetrics and Gynaecology (Sabr), King Saud University, Riyadh, Saudi Arabia; School of Population and Public Health (Lisonkova, Joseph); Department of Statistics (Brant), University of British Columbia, Vancouver, BC; Department of Women’s and Children’s Health, Division of Obstetrics and Gynaecology (Stephansson), Karolinska Institutet, Stockholm, Sweden
MD PhDAmanda Skoll
Clinical Epidemiology Unit, Department of Medicine (Muraca, Stephansson, Razaz), Solna, Karolinska University Hospital, Karolinska Institutet, Stockholm, Sweden; Department of Obstetrics & Gynaecology (Muraca, Sabr, Lisonkova, Skoll, Cundiff, Joseph), University of British Columbia, Vancouver, BC; Maternal, Child and Youth Health Division (Liu), Centre for Surveillance and Applied Research, Public Health Agency of Canada, Ottawa, Ont.; Department of Obstetrics and Gynaecology (Sabr), King Saud University, Riyadh, Saudi Arabia; School of Population and Public Health (Lisonkova, Joseph); Department of Statistics (Brant), University of British Columbia, Vancouver, BC; Department of Women’s and Children’s Health, Division of Obstetrics and Gynaecology (Stephansson), Karolinska Institutet, Stockholm, Sweden
MDRollin Brant
Clinical Epidemiology Unit, Department of Medicine (Muraca, Stephansson, Razaz), Solna, Karolinska University Hospital, Karolinska Institutet, Stockholm, Sweden; Department of Obstetrics & Gynaecology (Muraca, Sabr, Lisonkova, Skoll, Cundiff, Joseph), University of British Columbia, Vancouver, BC; Maternal, Child and Youth Health Division (Liu), Centre for Surveillance and Applied Research, Public Health Agency of Canada, Ottawa, Ont.; Department of Obstetrics and Gynaecology (Sabr), King Saud University, Riyadh, Saudi Arabia; School of Population and Public Health (Lisonkova, Joseph); Department of Statistics (Brant), University of British Columbia, Vancouver, BC; Department of Women’s and Children’s Health, Division of Obstetrics and Gynaecology (Stephansson), Karolinska Institutet, Stockholm, Sweden
PhDGeoffrey W. Cundiff
Clinical Epidemiology Unit, Department of Medicine (Muraca, Stephansson, Razaz), Solna, Karolinska University Hospital, Karolinska Institutet, Stockholm, Sweden; Department of Obstetrics & Gynaecology (Muraca, Sabr, Lisonkova, Skoll, Cundiff, Joseph), University of British Columbia, Vancouver, BC; Maternal, Child and Youth Health Division (Liu), Centre for Surveillance and Applied Research, Public Health Agency of Canada, Ottawa, Ont.; Department of Obstetrics and Gynaecology (Sabr), King Saud University, Riyadh, Saudi Arabia; School of Population and Public Health (Lisonkova, Joseph); Department of Statistics (Brant), University of British Columbia, Vancouver, BC; Department of Women’s and Children’s Health, Division of Obstetrics and Gynaecology (Stephansson), Karolinska Institutet, Stockholm, Sweden
MDOlof Stephansson
Clinical Epidemiology Unit, Department of Medicine (Muraca, Stephansson, Razaz), Solna, Karolinska University Hospital, Karolinska Institutet, Stockholm, Sweden; Department of Obstetrics & Gynaecology (Muraca, Sabr, Lisonkova, Skoll, Cundiff, Joseph), University of British Columbia, Vancouver, BC; Maternal, Child and Youth Health Division (Liu), Centre for Surveillance and Applied Research, Public Health Agency of Canada, Ottawa, Ont.; Department of Obstetrics and Gynaecology (Sabr), King Saud University, Riyadh, Saudi Arabia; School of Population and Public Health (Lisonkova, Joseph); Department of Statistics (Brant), University of British Columbia, Vancouver, BC; Department of Women’s and Children’s Health, Division of Obstetrics and Gynaecology (Stephansson), Karolinska Institutet, Stockholm, Sweden
MD PhDNeda Razaz
Clinical Epidemiology Unit, Department of Medicine (Muraca, Stephansson, Razaz), Solna, Karolinska University Hospital, Karolinska Institutet, Stockholm, Sweden; Department of Obstetrics & Gynaecology (Muraca, Sabr, Lisonkova, Skoll, Cundiff, Joseph), University of British Columbia, Vancouver, BC; Maternal, Child and Youth Health Division (Liu), Centre for Surveillance and Applied Research, Public Health Agency of Canada, Ottawa, Ont.; Department of Obstetrics and Gynaecology (Sabr), King Saud University, Riyadh, Saudi Arabia; School of Population and Public Health (Lisonkova, Joseph); Department of Statistics (Brant), University of British Columbia, Vancouver, BC; Department of Women’s and Children’s Health, Division of Obstetrics and Gynaecology (Stephansson), Karolinska Institutet, Stockholm, Sweden
PhD MPHK.S. Joseph
Clinical Epidemiology Unit, Department of Medicine (Muraca, Stephansson, Razaz), Solna, Karolinska University Hospital, Karolinska Institutet, Stockholm, Sweden; Department of Obstetrics & Gynaecology (Muraca, Sabr, Lisonkova, Skoll, Cundiff, Joseph), University of British Columbia, Vancouver, BC; Maternal, Child and Youth Health Division (Liu), Centre for Surveillance and Applied Research, Public Health Agency of Canada, Ottawa, Ont.; Department of Obstetrics and Gynaecology (Sabr), King Saud University, Riyadh, Saudi Arabia; School of Population and Public Health (Lisonkova, Joseph); Department of Statistics (Brant), University of British Columbia, Vancouver, BC; Department of Women’s and Children’s Health, Division of Obstetrics and Gynaecology (Stephansson), Karolinska Institutet, Stockholm, Sweden
MD PhD