P
P. Ruyan
Researcher at Peking University
Publications - 5
Citations - 2450
P. Ruyan is an academic researcher from Peking University. The author has contributed to research in topics: Population & Standardized mortality ratio. The author has an hindex of 5, co-authored 5 publications receiving 2265 citations.
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Journal ArticleDOI
Method of delivery and pregnancy outcomes in Asia: the WHO global survey on maternal and perinatal health 2007–08
Pisake Lumbiganon,Malinee Laopaiboon,A Metin Gülmezoglu,João Paulo Souza,Surasak Taneepanichskul,P. Ruyan,Deepika Eranjanie Attygalle,N Shrestha,Rintaro Mori,Nguyen Duc Hinh,Hoang Thi Bang,Tung Rathavy,Kang Chuyun,Kannitha Cheang,Mario Festin,Venus Udomprasertgul,Maria Julieta V Germar,Gao Yanqiu,Malabika Roy,Guillermo Carroli,Katherine Ba-Thike,Ekaterina Filatova,José Villar +22 more
TL;DR: The third phase of the WHO global survey aimed to estimate the rate of different methods of delivery and to examine the relation between method of Delivery and maternal and perinatal outcomes in selected facilities in Africa and Latin America in 2004-05, and in Asia in 2007-08, found caesarean section should be done only when there is a medical indication.
Journal ArticleDOI
Caesarean section without medical indications is associated with an increased risk of adverse short-term maternal outcomes: the 2004-2008 WHO Global Survey on Maternal and Perinatal Health
João Paulo Souza,Ahmet Metin Gülmezoglu,Pisake Lumbiganon,Malinee Laopaiboon,Guillermo Carroli,Bukola Fawole,P. Ruyan +6 more
TL;DR: It is concluded that caesarean sections should be performed when a clear benefit is anticipated, a benefit that might compensate for the higher costs and additional risks associated with this operation.
Journal ArticleDOI
Moving beyond essential interventions for reduction of maternal mortality (the WHO Multicountry Survey on Maternal and Newborn Health): a cross-sectional study
João Paulo Souza,Ahmet Metin Gülmezoglu,Joshua P. Vogel,Guillermo Carroli,Pisake Lumbiganon,Zahida Qureshi,Maria José Costa,Bukola Fawole,Yvonne Mugerwa,Idi Nafiou,Isilda Neves,Jean José Wolomby-Molondo,Hoang Thi Bang,Kannitha Cheang,Kang Chuyun,Kapila Jayaratne,Chandani Anoma Jayathilaka,Syeda Batool Mazhar,Rintaro Mori,Mir Lais Mustafa,Laxmi Raj Pathak,Deepthi Perera,Tung Rathavy,Zenaida Dy Recidoro,Malabika Roy,P. Ruyan,N Shrestha,Surasak Taneepanichsku,Nguyen Viet Tien,Togoobaatar Ganchimeg,Mira A. Wehbe,Buyanjargal Yadamsuren,Wang Yan,Khalid Yunis,Vicente Bataglia,José Guilherme Cecatti,Bernardo Hernández-Prado,Juan Manuel Nardin,Alberto Narváez,Eduardo Ortiz-Panozo,Ricardo Pérez-Cuevas,Eliette Valladares,Nelly Zavaleta,Anthony Armson,Caroline A Crowther,Carol J. R. Hogue,Gunilla Lindmark,Suneeta Mittal,Robert Clive Pattinson,Mary Ellen Stanton,Liana Campodonico,Cristina Beatriz Cuesta,Daniel Giordano,N. Intarut,Malinee Laopaiboon,Rajiv Bahl,Jose Martines,Matthews Mathai,Mario Merialdi,Lale Say +59 more
TL;DR: High coverage of essential interventions did not imply reduced maternal mortality in the health-care facilities the authors studied, and the maternal severity index (MSI) had good accuracy for maternal death prediction in women with markers of organ dysfunction.
Journal ArticleDOI
Method of Delivery and Pregnancy Outcomes in Asia: The WHO Global Survey on Maternal and Perinatal Health 2007-2008
Pisake Lumbiganon,Malinee Laopaiboon,Ahmet Metin Gülmezoglu,João Paulo Souza,S. Taneepanichskul,P. Ruyan,D.E. Attygalle,N Shrestha,Rintaro Mori,D.H. Nguyen,T.B. Hoang,Tung Rathavy,Kang Chuyun,Kannitha Cheang,Mario Festin,V. Udomprasertgul,M.J. Germar,G. Yanqiu,Marc-André Roy,Guillermo Carroli,K. Ba-Thike,E. Filatova,José Villar +22 more
Journal ArticleDOI
Moving beyond essential interventions for reduction of maternal mortality (the WHO Multicountry Survey on Maternal and Newborn Health): a cross-sectional study
João Paulo Souza,Ahmet Metin Gülmezoglu,Joshua P. Vogel,Guillermo Carroli,Pisake Lumbiganon,Zahida Qureshi,Maria José Costa,Bukola Fawole,Yvonne Mugerwa,Idi Nafiou,Isilda Neves,Jean José Wolomby-Molondo,Hoang Thi Bang,Kannitha Cheang,Kang Chuyun,Kapila Jayaratne,Chandani Anoma Jayathilaka,Syeda Batool Mazhar,Rintaro Mori,Mir Lais Mustafa,Laxmi Raj Pathak,Deepthi Perera,Tung Rathavy,Zenaida Dy Recidoro,Malabika Roy,P. Ruyan,N Shrestha,Surasak Taneepanichsku,Nguyen Viet Tien,Togoobaatar Ganchimeg,Mira A. Wehbe,Buyanjargal Yadamsuren,Wang Yan,Khalid Yunis,Vicente Bataglia,José Guilherme Cecatti,Bernardo Hernández-Prado,Juan Manuel Nardin,Alberto Narváez,Eduardo Ortiz-Panozo,Ricardo Pérez-Cuevas,Eliette Valladares,Nelly Zavaleta,Anthony Armson,Caroline A Crowther,Carol J. R. Hogue,Gunilla Lindmark,Suneeta Mittal,Robert Clive Pattinson,Mary Ellen Stanton,Liana Campodonico,Cristina Beatriz Cuesta,Daniel Giordano,N. Intarut,Malinee Laopaiboon,Rajiv Bahl,Jose Martines,Matthews Mathai,Mario Merialdi,Lale Say +59 more
TL;DR: In this article, the authors report the main findings of the WHO Multicountry Survey on Maternal and Newborn Health (WHOMCS), which aimed to assess the burden of complications related to pregnancy, the coverage of key maternal health interventions, and use of the maternal severity index (MSI) in a global network of health facilities.