Mariana Widmer

6.3k total citations · 1 hit paper
63 papers, 2.4k citations indexed

About

Mariana Widmer is a scholar working on Pediatrics, Perinatology and Child Health, Obstetrics and Gynecology and Public Health, Environmental and Occupational Health. According to data from OpenAlex, Mariana Widmer has authored 63 papers receiving a total of 2.4k indexed citations (citations by other indexed papers that have themselves been cited), including 50 papers in Pediatrics, Perinatology and Child Health, 41 papers in Obstetrics and Gynecology and 17 papers in Public Health, Environmental and Occupational Health. Recurrent topics in Mariana Widmer's work include Maternal and fetal healthcare (30 papers), Maternal and Perinatal Health Interventions (23 papers) and Pregnancy and preeclampsia studies (15 papers). Mariana Widmer is often cited by papers focused on Maternal and fetal healthcare (30 papers), Maternal and Perinatal Health Interventions (23 papers) and Pregnancy and preeclampsia studies (15 papers). Mariana Widmer collaborates with scholars based in Switzerland, Brazil and Argentina. Mariana Widmer's co-authors include João Paulo Souza, Ana Pilar Betrán, Mario Merialdi, Maria Regina Torloni, Joshua P. Vogel, Tomas Allen, Zahida Qureshi, Edgardo Ábalos, Cristina Cuesta and G. Carroli and has published in prestigious journals such as The Lancet, PLoS ONE and Cochrane Database of Systematic Reviews.

In The Last Decade

Mariana Widmer

61 papers receiving 2.3k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Pre‐eclampsia, eclampsia and adverse maternal and perinatal outcomes: a secondary analysis of the World Health Organization Multicountry Survey on Maternal and Newborn Health

2014 359 citations G. Carroli, Zahida Qureshi et al. BJOG An International Journal of Obstetrics & Gynaecology profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
Mariana Widmer Switzerland	22	1.8k	1.6k	551	372	194	63	2.4k
Allison Bryant United States	29	1.3k 0.7×	1.3k 0.8×	735 1.3×	273 0.7×	414 2.1×	92	2.7k
Jessica L. Illuzzi United States	25	1.2k 0.7×	1.2k 0.7×	628 1.1×	206 0.6×	254 1.3×	78	2.1k
José Villar Switzerland	22	1.6k 0.9×	1.5k 0.9×	478 0.9×	144 0.4×	212 1.1×	37	2.3k
Daniel Giordano Argentina	13	1.7k 0.9×	1.5k 0.9×	333 0.6×	234 0.6×	243 1.3×	16	2.3k
Marius Kublickas Sweden	28	2.6k 1.4×	2.0k 1.3×	503 0.9×	266 0.7×	324 1.7×	79	3.4k
Mourad Dahhou Canada	26	1.2k 0.7×	876 0.5×	904 1.6×	320 0.9×	113 0.6×	57	2.4k
Christian M. Pettker United States	29	1.2k 0.7×	1.5k 0.9×	836 1.5×	581 1.6×	212 1.1×	111	3.0k
G. Carroli Argentina	18	1.6k 0.9×	1.3k 0.8×	440 0.8×	168 0.5×	436 2.2×	33	2.5k
Zahida Qureshi Kenya	17	1.4k 0.8×	1.2k 0.8×	386 0.7×	101 0.3×	208 1.1×	45	1.8k
Liana Campodónico Argentina	11	1.6k 0.9×	1.7k 1.0×	350 0.6×	148 0.4×	234 1.2×	14	2.1k

Countries citing papers authored by Mariana Widmer

Since Specialization

Citations

This map shows the geographic impact of Mariana Widmer's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Mariana Widmer with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Mariana Widmer more than expected).

Fields of papers citing papers by Mariana Widmer

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Mariana Widmer. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Mariana Widmer. The network helps show where Mariana Widmer may publish in the future.

Co-authorship network of co-authors of Mariana Widmer

This figure shows the co-authorship network connecting the top 25 collaborators of Mariana Widmer. A scholar is included among the top collaborators of Mariana Widmer based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Mariana Widmer. Mariana Widmer is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Williams, Caitlin R., Ioannis Gallos, Arri Coomarasamy, et al.. (2024). Research agenda for ending preventable maternal deaths from postpartum haemorrhage: a WHO research prioritisation exercise. BMJ Global Health. 9(11). e015342–e015342. 5 indexed citations

Moran, Neil, David G. Bishop, Susan Fawcus, et al.. (2022). Tranexamic acid at cesarean delivery: drug-error deaths. American Journal of Obstetrics and Gynecology. 228(1). 1–4. 9 indexed citations

Moran, Neil, David G. Bishop, Susan Fawcus, et al.. (2022). Tranexamic acid at cesarean delivery: drug-error deaths. European Journal of Obstetrics & Gynecology and Reproductive Biology. 279. 195–198. 2 indexed citations

Pingray, Verónica, Mariana Widmer, Agustín Ciapponi, et al.. (2021). Effectiveness of uterine tamponade devices for refractory postpartum haemorrhage after vaginal birth: a systematic review. BJOG An International Journal of Obstetrics & Gynaecology. 128(11). 1732–1743. 15 indexed citations

Torloni, Maria Regina, Rachel Riera, Ana Luiza Cabrera Martimbianco, et al.. (2021). Route of oxytocin administration for preventing blood loss at caesarean section: a systematic review with meta-analysis. BMJ Open. 11(9). e051793–e051793. 6 indexed citations

Torloni, Maria Regina, Rachel Riera, Ana Luiza Cabrera Martimbianco, et al.. (2021). Timing of oxytocin administration to prevent post-partum hemorrhage in women delivered by cesarean section: A systematic review and metanalysis. PLoS ONE. 16(6). e0252491–e0252491. 7 indexed citations

Widmer, Mariana, Mercedes Bonet, & Ana Pilar Betrán. (2020). Would you like to participate in this trial? The practice of informed consent in intrapartum research in the last 30 years. PLoS ONE. 15(1). e0228063–e0228063. 7 indexed citations

Torloni, Maria Regina, Mercedes Bonet, Ana Pilar Betrán, Carolina C. Ribeiro‐do‐Valle, & Mariana Widmer. (2020). Quality of medicines for life-threatening pregnancy complications in low- and middle-income countries: A systematic review. PLoS ONE. 15(7). e0236060–e0236060. 21 indexed citations

McIntosh, Michelle P., et al.. (2020). Oxytocin quality: evidence to support updated global recommendations on oxytocin for postpartum hemorrhage. Journal of Pharmaceutical Policy and Practice. 13(1). 14–14. 12 indexed citations

10.

Widmer, Mariana, Gilda Piaggio, G Justus Hofmeyr, et al.. (2019). Maternal characteristics and causes associated with refractory postpartum haemorrhage after vaginal birth: a secondary analysis of the WHO CHAMPION trial data. BJOG An International Journal of Obstetrics & Gynaecology. 127(5). 628–634. 25 indexed citations

11.

Widmer, Mariana, Gilda Piaggio, Hany Abdel‐Aleem, et al.. (2016). Room temperature stable carbetocin for the prevention of postpartum haemorrhage during the third stage of labour in women delivering vaginally: study protocol for a randomized controlled trial. Trials. 17(1). 143–143. 26 indexed citations

12.

Vogel, Joshua P., Maria Regina Torloni, Armando Seuc, et al.. (2013). Maternal and Perinatal Outcomes of Twin Pregnancy in 23 Low- and Middle-Income Countries. PLoS ONE. 8(8). e70549–e70549. 102 indexed citations

13.

Vogel, Joshua P., Ana Pilar Betrán, Mariana Widmer, et al.. (2012). Role of faith-based and nongovernment organizations in the provision of obstetric services in 3 African countries. American Journal of Obstetrics and Gynecology. 207(6). 495.e1–495.e7. 11 indexed citations

14.

Grewal, Jagteshwar, et al.. (2012). OS029. Severe anemia, sickle cell disease, and thalassemia as riskfactors for preeclampsia in developing countries. Pregnancy Hypertension. 2(3). 191–192. 2 indexed citations

15.

Menon, Ramkumar, Maria Regina Torloni, Chiara Voltolini, et al.. (2011). Biomarkers of Spontaneous Preterm Birth: An Overview of The Literature in the Last Four Decades. Reproductive Sciences. 18(11). 1046–1070. 99 indexed citations

16.

Widmer, Mariana, et al.. (2011). Duration of treatment for asymptomatic bacteriuria during pregnancy. Cochrane Database of Systematic Reviews. CD000491–CD000491. 20 indexed citations

17.

Widmer, Mariana, Jennifer Blum, G Justus Hofmeyr, et al.. (2010). Misoprostol as an Adjunct to Standard Uterotonics for Treatment of Postpartum Hemorrhage: A Multicentre, Double-Blind Randomized Trial. Obstetrical & Gynecological Survey. 65(10). 609–610. 16 indexed citations

18.

Lumbiganon, Pisake, José Villar, Mariana Widmer, et al.. (2009). One-Day Compared With 7-Day Nitrofurantoin for Asymptomatic Bacteriuria in Pregnancy: A Randomized Controlled Trial. Obstetrical & Gynecological Survey. 64(6). 359–360. 1 indexed citations

19.

Villar, José, et al.. (2000). Duration of treatment for asymptomatic bacteriuria during pregnancy. Cochrane Database of Systematic Reviews. CD000491–CD000491. 30 indexed citations

20.

Carvalho, Fernándo Martins, et al.. (1991). Diagnóstico clínico versus autópsia. 110(3). 213–218. 1 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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