Browsing Research Articles (Obstetrics and Gynaecology) by Author "Vannevel, Valerie"

Browsing Research Articles (Obstetrics and Gynaecology) by Author "Vannevel, Valerie"

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  • The ability of continuous-wave Doppler ultrasound to detect fetal growth restriction 
    Feucht, Ute Dagmar; Mulol, Helen; Vannevel, Valerie; Pattinson, Robert Clive (Public Library of Science, 2021-08)
    BACKGROUND: Fetal growth restriction (FGR), defined as a fetus failing to reach its genetic growth potential, remains poorly diagnosed antenatally. This study aimed to assess the ability of continuouswave Doppler ultrasound ...
  • Coronavirus and pregnancy : the challenges of the 21(st) Century : a review 
    Adam, Sumaiya; Pheiffer, Carmen; Dias, Stephanie; Hlongwane, T.M.A.G. (Tsakane); Vannevel, Valerie; Soma-Pillay, Priya; Abdullah, Fareed (Frontiers Media SA, 2022-07-13)
    Despite many advances in medicine we are still faced with emerging pathogens. Pregnant women have been disproportionately affected by previous coronavirus outbreaks. The COVID-19 pandemic has not affected pregnant women ...
  • COVID-19 in pregnancy in South Africa : tracking the epidemic and defining the natural history 
    Fairlie, Lee; Sawry, Shobna; Patel, Faeezah; Balkus, Jennifer E.; Kalk, Emma; Mutevedzi, Portia; Technau, Karl-Gunter; Yates, Laura M.; Slogrove, Amy; Ballot, Daynia; Bandini, Rosella M.; Mehta, Ushma; Moodley, Dhayendre; Mhlongo, Ottancia; Budram, Samantha; Maswime, Salome; Vannevel, Valerie; Rees, Helen; Chersich, Matthew (Health and Medical Publishing Group, 2020-08)
    South Africa (SA) has seen a rapid increase in COVID-19 infections in recent weeks, with cases exceeding 40 000 in early June and anticipated to escalate rapidly as lockdown is eased. The country also has the largest HIV ...
  • Early childhood growth parameters in South African children with exposure to maternal HIV infection and placental insufficiency 
    Nyofane, Mothusi; Hoffman, Marinel; Mulol, Helen; Botha, Tanita; Vannevel, Valerie; Pattinson, Robert Clive; Feucht, Ute Dagmar (MDPI, 2022-12-09)
    Maternal HIV exposure and intrauterine growth restriction (IUGR) due to placental insufficiency both carry major risks to early child growth. We compared the growth outcomes of children aged 18 months who had abnormal ...
  • Effect of SARS-CoV-2 infection in pregnancy on maternal and neonatal outcomes in Africa: an AFREhealth call for evidence through multicountry research collaboration 
    Nachega, Jean B.; Sam-Agudu, Nadia A.; Budhram, Samantha; Taha, Taha E.; Vannevel, Valerie; Soma-Pillay, Priya; Ishoso, Daniel Katuashi; Pipo, Michel Tshiasuma; Bongo-Pasi Nswe, Christian; Ditekemena, John; Ayele, Birhanu T.; Machekano, Rhoderick N.; Gachuno, Onesmus W.; Kinuthia, John; Mwongeli, Nancy; Sekikubo, Musa; Musoke, Philippa; Agbeno, Evans Kofi; Umar, Lawal W.; Ntakwinja, Mukanire; Mukwege, Denis M.; Smith, Emily R.; Mills, Eduard J.; Otshudiema, John Otokoye; Mbala-Kingebeni, Placide; Kayembe, Jean-Marie N.; Landu, Don Jethro Mavungu; Tamfum, Jean-Jacques Muyembe; Zumla, Alimuddin; Langenegger, Eduard J.; Mofenson, Lynne M. (American Society of Tropical Medicine and Hygiene, 2021-02)
    In the African context, there is a paucity of data on SARS-CoV-2 infection and associated COVID-19 in pregnancy. Given the endemicity of infections such as malaria, HIV, and tuberculosis (TB) in sub-Saharan Africa (SSA), ...
  • Failure to perform assisted deliveries is resulting in an increased neonatal and maternal morbidity and mortality : an expert opinion 
    Pattinson, Robert Clive; Vannevel, Valerie; Barnard, Dalene; Baloyi, S.; Gebhardt, G.S.; Le Roux, K.; Moran, N.; Moodley, J. (Health and Medical Publishing Group, 2018-02)
    The need to perform assisted vaginal delivery (AVD) has been regarded as self-evident. In high-income countries, rates of AVD range between 5% and 20% of all births. In South Africa, the rate of AVD is only 1%. This has ...
  • A feasibility study of the use of UmbiFlow (TM) to assess the impact of heat stress on fetoplacental blood flow in field studies 
    Bonell, Ana; Vannevel, Valerie; Sonko, Bakary; Mohammed, Nuredin; Vicedo-Cabrera, Ana M.; Haines, Andy; Maxwell, Neil S.; Hirst, Jane; Prentice, Andrew M. (Wiley, 2023-02)
    OBJECTIVE : To evaluate the use of UmbiFlow™ in field settings to assess the impact of heat stress on umbilical artery resistance index (RI). METHODS : This feasibility study was conducted in West Kiang, The Gambia, ...
  • Global perspectives on operative vaginal deliveries 
    Vannevel, Valerie; Swanepoel, C.; Pattinson, Robert Clive (Elsevier, 2019-04)
    Operative vaginal delivery (OVD) refers to the use of an instrument (forceps or vacuum device), to assist with delivery of the fetus from the vagina. This can help improve maternal and fetal outcomes and has to be weighed ...
  • Implementing antenatal care recommendations, South Africa 
    Hlongwane, T.M.A.G. (Tsakane); Bozkurt, Burcu; Barreix, Maria C.; Pattinson, Robert Clive; Gülmezoglu, Metin; Vannevel, Valerie; Tunçalp, Ozge (World Health Organization, 2021)
    Despite progress in reduction in maternal deaths in South Africa, deaths due to complications of hypertension in pregnancy remain high at 26 deaths per 100 000 live births in 2016. The South African health ministry modified ...
  • Instruments for assisted vaginal birth 
    Verma, Ganga L.; Spalding, Jessica J.; Hofmeyr, G. Justus; Vannevel, Valerie; O'Mahony, Fidelma (Wiley, 2021)
    BACKGROUND : Assisted vaginal births are carried out to expedite birth for the benefit of mothers and babies but are sometimes associated with significant morbidity for both. Various instruments are available, broadly ...
  • Integrated growth assessment in the first 1000 days of life : an interdisciplinary conceptual framework 
    Nel, Sanja; Pattinson, Robert Clive; Vannevel, Valerie; Feucht, Ute; Mulol, Helen; Wenhold, F.A.M. (Friedeburg Anna Maria) (Cambridge University Press, 2023-08)
    OBJECTIVES : Prenatal growth affects short- and long-term morbidity, mortality and growth, yet communication between prenatal and postnatal healthcare teams is often minimal. This paper aims to develop an integrated, ...
  • Obstetric medical care and training in South Africa 
    Wium, Lizemarie; Vannevel, Valerie; Bothma, Salome (Sage, 2019-03)
    Obstetric medicine as a speciality is yet to be developed in South Africa. South Africa is regarded as a developing country. The burden of HIV and metabolic syndrome creates a need for advanced maternal care. An increase ...
  • Odon device for instrumental vaginal deliveries : results of a medical device pilot clinical study 
    Schvartzman, Javier A.; Krupitzki, Hugo; Merialdi, Mario; Betran, Ana Pilar; Requejo, Jennifer; Nguyen, My Huong; Vayena, Effy; Fiorillo, Angel E.; Gadow, Enrique C.; Vizcaino, Francisco M.; Von Petery, Felicitas; Marroquin, Victoria; Cafferata, María Luisa; Mazzoni, Agustina; Vannevel, Valerie; Pattinson, Robert Clive; Gulmezoglu, A. Metin; Althabe, Fernando; Bonet, Mercedes; World Health Organization Odon Device Research Group (BioMed Central, 2018-03-12)
    BACKGROUND : A prolonged and complicated second stage of labour is associated with serious perinatal complications. The Odon device is an innovation intended to perform instrumental vaginal delivery presently under development. ...
  • Pelvimetry for fetal cephalic presentations at or near term for deciding on mode of delivery 
    Pattinson, Robert Clive; Cuthbert, Anna; Vannevel, Valerie (Wiley, 2017-03)
    BACKGROUND : Pelvimetry assesses the size of a woman's pelvis aiming to predict whether she will be able to give birth vaginally or not. This can be done by clinical examination, or by conventional X-rays, computerised ...
  • Prevalence of abnormal umbilical arterial fow on Doppler ultrasound in low-risk and unselected pregnant women : a systematic review 
    Vogel, Joshua P; Vannevel, Valerie; Robbers, Gianna; Gwako, George; Lavin, Tina; Adanikin, Abiodun; Hlongwane, T.M.A.G. (Tsakane); Pattinson, Robert Clive; Qureshi, Zahida P.; Oladapo, Olufemi T. (BMC, 2021-02)
    BACKGROUND: While Doppler ultrasound screening is beneficial for women with high-risk pregnancies, there is insufficient evidence on its benefits and harms in low- and unselected-risk pregnancies. This may be related to ...
  • Re: Next steps to prevent stillbirth associated with growth restriction : continuous-wave Doppler, fetal growth restriction and small-for-gestational-age babies 
    Dornan, James C.; Feucht, Ute Dagmar; Dornan, Samina S.; Mulol, Helen; Vannevel, Valerie; Hlongwane, T.M.A.G. (Tsakane); Pattinson, Robert Clive (Wiley, 2021-04)
    No abstract available.
  • Severe acute respiratory syndrome coronavirus 2 infection and pregnancy in Sub-Saharan Africa : a 6-country retrospective cohort analysis 
    Nachega, Jean B.; Sam-Agudu, Nadia A.; Machekano, Rhoderick N.; Rosenthal, Philip J.; Schell, Sonja; De Waard, Liesl; Bekker, Adrie; Gachuno, Onesmus W.; Kinuthia, John; Mwongeli, Nancy; Budhram, Samantha; Vannevel, Valerie; Soma-Pillay, Priya; Prozesky, Hans W.; Taljaard, Jantjie; Parker, Arifa; Agyare, Elizabeth; Opoku, Akwasi Baafuor; Makarfi, Aminatu Umar; Abdullahi, Asara M.; Adirieje, Chibueze; Ishoso, Daniel Katuashi; Pipo, Michel Tshiasuma; Tshilanda, Marc B.; Nswe, Christian Bongo-Pasi; Ditekemena, John; Sigwadhi, Lovemore Nyasha; Nyasulu, Peter S.; Hermans, Michel P.; Sekikubo, Musa; Musoke, Philippa; Nsereko, Christopher; Agbeno, Evans K.; Yeboah, Michael Yaw; Umar, Lawal W.; Ntakwinja, Mukanire; Mukwege, Denis M.; Birindwa, Etienne Kajibwami; Mushamuka, Serge Zigabe; Smith, Emily R.; Mills, Edward J.; Otshudiema, John Otokoye; Mbala-Kingebeni, Placide; Tamfum, Jean-Jacques Muyembe; Zumla, Alimuddin; Tsegaye, Aster; Mteta, Alfred; Sewankambo, Nelson K.; Suleman, Fatima; Adejumo, Prisca; Anderson, Jean R.; Noormahomed, Emilia V.; Deckelbaum, Richard J.; Stringer, Jeffrey S.A.; Mukalay, Abdon; Taha, Taha E.; Fowler, Mary Glenn; Wasserheit, Judith N.; Masekela, Refiloe; Mellors, John W.; Siedner, Mark J.; Myer, Landon; Kengne, Andre-Pascal; Yotebieng, Marcel; Mofenson, Lynne M.; Langenegger, Eduard; AFREhealth Research Collaboration on COVID-19 and Pregnancy (Oxford University Press, 2022-06-08)
    BACKGROUND : Few data are available on COVID-19 outcomes among pregnant women in sub-Saharan Africa (SSA), where high-risk comorbidities are prevalent. We investigated the impact of pregnancy on SARS-CoV-2 infection and ...
  • WHO next-generation partograph : revolutionary steps towards individualised labour care 
    Hofmeyr, G.J.; Bernitz, S.; Bonet, M.; Bucagu, M.; Dao, B.; Downe, S.; Galadanci, H.; Homer, C.S.E.; Hundley, V.; Lavender, T.; Levy, B.; Lissauer, D.; Lumbiganon, P.; McConville, F.E.; Pattinson, Robert Clive; Qureshi, Z.; Souza, J.P.; Stanton, M.E.; Ten Hoope-Bender, P.; Vannevel, Valerie; Vogel, J.P.; Oladapo, O.T. (Wiley, 2021-09)
    No abstract available.