Journal of travel medicine最新文献

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Methanol Poisoning in Travellers. 旅客甲醇中毒。
IF 9.1 2区 医学
Journal of travel medicine Pub Date : 2025-06-03 DOI: 10.1093/jtm/taaf031
Narissara Techavachara, Hagit Bonny-Noach, Wasin Matsee
{"title":"Methanol Poisoning in Travellers.","authors":"Narissara Techavachara, Hagit Bonny-Noach, Wasin Matsee","doi":"10.1093/jtm/taaf031","DOIUrl":"https://doi.org/10.1093/jtm/taaf031","url":null,"abstract":"<p><p>Methanol poisoning is a growing threat to travellers, often leading to permanent damage such as blindness. This correspondence letter compiles and examines methanol-related incidents involving travellers from 2014-2024, aiming to raise awareness of the growing risks and emphasize the importance of preventative measures.</p>","PeriodicalId":17407,"journal":{"name":"Journal of travel medicine","volume":" ","pages":""},"PeriodicalIF":9.1,"publicationDate":"2025-06-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144208866","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Global participatory wastewater surveillance to understand Mpox clade diversity in war and conflict-affected countries. 全球参与式废水监测,了解受战争和冲突影响国家的痘枝多样性。
IF 9.1 2区 医学
Journal of travel medicine Pub Date : 2025-06-02 DOI: 10.1093/jtm/taaf052
Dhammika Leshan Wannigama, Mohan Amarasiri, Phatthranit Phattharapornjaroen, Cameron Hurst, Charin Modchang, Yangzhong Wang, Kazuhiko Miyanaga, Longzhu Cui, Stefan Fernandez, Angkana T Huang, Nada M Melhem, Andrew C Singer, Naveen Kumar Devanga Ragupathi, Juliana Calabria Araujo, Kazunari Sei, Lazarus G Ndatuwong, Syed Faisal Mahmood, Yoshitaka Shimotai, Talerngsak Kanjanabuch, Paul G Higgins, Tetsuji Aoyagi, Anthony Kicic, Asuka Nanbo, Hirotake Mori, Richard Siow, Özgür Kurt, Sam Trowsdale, Parichart Hongsing, Aisha Khatib, Daisuke Sano, Kenji Shibuya, Shuichi Abe, Hiroshi Hamamoto
{"title":"Global participatory wastewater surveillance to understand Mpox clade diversity in war and conflict-affected countries.","authors":"Dhammika Leshan Wannigama, Mohan Amarasiri, Phatthranit Phattharapornjaroen, Cameron Hurst, Charin Modchang, Yangzhong Wang, Kazuhiko Miyanaga, Longzhu Cui, Stefan Fernandez, Angkana T Huang, Nada M Melhem, Andrew C Singer, Naveen Kumar Devanga Ragupathi, Juliana Calabria Araujo, Kazunari Sei, Lazarus G Ndatuwong, Syed Faisal Mahmood, Yoshitaka Shimotai, Talerngsak Kanjanabuch, Paul G Higgins, Tetsuji Aoyagi, Anthony Kicic, Asuka Nanbo, Hirotake Mori, Richard Siow, Özgür Kurt, Sam Trowsdale, Parichart Hongsing, Aisha Khatib, Daisuke Sano, Kenji Shibuya, Shuichi Abe, Hiroshi Hamamoto","doi":"10.1093/jtm/taaf052","DOIUrl":"https://doi.org/10.1093/jtm/taaf052","url":null,"abstract":"<p><p>Community-led wastewater surveillance reveals widespread circulation of the mpox virus and clade diversity in conflict-affected countries. This low-cost approach fills critical surveillance gaps, uncovering regional clade variations, including the more severe Clade Ib, and highlighting the potential of decentralized genomic monitoring where traditional systems fail.</p>","PeriodicalId":17407,"journal":{"name":"Journal of travel medicine","volume":" ","pages":""},"PeriodicalIF":9.1,"publicationDate":"2025-06-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144199513","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Potential Risk of Yellow Fever Outbreak in Southeast Asia due to Importation Amidst Outbreaks in South America. 在南美洲暴发黄热病之际,输入性黄热病在东南亚暴发的潜在风险。
IF 9.1 2区 医学
Journal of travel medicine Pub Date : 2025-05-31 DOI: 10.1093/jtm/taaf045
Sakarn Charoensakulchai, Pat Chantapinya, Suttiporn Prapaso, Manasvin Onwan
{"title":"Potential Risk of Yellow Fever Outbreak in Southeast Asia due to Importation Amidst Outbreaks in South America.","authors":"Sakarn Charoensakulchai, Pat Chantapinya, Suttiporn Prapaso, Manasvin Onwan","doi":"10.1093/jtm/taaf045","DOIUrl":"https://doi.org/10.1093/jtm/taaf045","url":null,"abstract":"<p><p>Recent yellow fever outbreaks in South America, increased travel, varied standards of health screening at entry points, limited vaccine stockpiles, and widespread competent vectors make Southeast Asia highly vulnerable to importation and local outbreaks. Without strong preventive measures, yellow fever importation and subsequent outbreaks in the region may be only a matter of time.</p>","PeriodicalId":17407,"journal":{"name":"Journal of travel medicine","volume":" ","pages":""},"PeriodicalIF":9.1,"publicationDate":"2025-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144191919","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Severe imported Plasmodium falciparum malaria with hyperparasitaemia: evaluation of determinants of critical disease in adult returning travellers. 严重输入性恶性疟原虫疟疾伴高寄生虫血症:成年返国旅行者重症决定因素的评价。
IF 9.1 2区 医学
Journal of travel medicine Pub Date : 2025-05-30 DOI: 10.1093/jtm/taaf049
Tilman Lingscheid, Johannes Jochum, Pinkus Tober-Lau, Johanna Schöllgen, Regina Stegherr, Juliane Dörfler, Henrik Nielsen, Alessandro Bartoloni, Kristine Mørch, Emmanuel Bottieau, Frieder Pfäfflin, Leif Erik Sander, Thomas Zoller, Michael Ramharter, Florian Kurth
{"title":"Severe imported Plasmodium falciparum malaria with hyperparasitaemia: evaluation of determinants of critical disease in adult returning travellers.","authors":"Tilman Lingscheid, Johannes Jochum, Pinkus Tober-Lau, Johanna Schöllgen, Regina Stegherr, Juliane Dörfler, Henrik Nielsen, Alessandro Bartoloni, Kristine Mørch, Emmanuel Bottieau, Frieder Pfäfflin, Leif Erik Sander, Thomas Zoller, Michael Ramharter, Florian Kurth","doi":"10.1093/jtm/taaf049","DOIUrl":"https://doi.org/10.1093/jtm/taaf049","url":null,"abstract":"<p><strong>Background: </strong>Severe Plasmodium falciparum (P.f.) malaria remains a major health threat for travellers. WHO defines criteria for severe malaria, including hyperparasitaemia ≥10% infected red blood cells (iRBC), as major risk factors for adverse outcome. Additionally, WHO recognizes 'uncomplicated hyperparasitaemia' with 4-10% iRBC, a parasite density usually defining severe malaria outside endemic areas. Overall, the role of hyperparasitaemia as an independent risk factor in imported severe malaria is unclear, with most data predating the artemisinin era.</p><p><strong>Methods: </strong>We retrospectively analysed adult in-patients with hyperparasitaemia (≥4% iRBC) and/or severe P.f. malaria according to WHO-criteria who received artemisinin-based treatment at two German university hospitals 2013-2023, to assess the risk for critical disease with need for organ replacement therapy or vasopressors. Based on multivariable nominal logistic regression, we developed a scoring system to identify patients with critical disease and validated it on an independent cohort.</p><p><strong>Results: </strong>Of 168 patients, 33 (20%) developed critical disease, all of whom presented with at least one WHO-criterion other than hyperparasitaemia. Of 72 patients with isolated hyperparasitaemia, none developed critical disease. Hyperparasitaemia was no independent risk factor for critical disease in logistic regression (aOR 0.85 95%CI 0.23-3.12), in contrast to creatinine > 3 mg/dL (aOR 6.74 95%CI 1.06-42.75), oligo-/anuria (aOR 5.94 95%CI 1.27-27.82), lactate ≥5 mmol/L (aOR 8.16 95%CI 8.16-35.03), confusion (aOR 4.07 95%CI 1.39-11.94), and circulatory shock and respiratory failure, which are inherently critical conditions. The risk score identified all 33 patients with and 131/135 (97.0%) without critical disease (AUC = 0.99; sensitivity: 100%; specificity: 97.0%). In the validation cohort, all 8 patients with critical disease and 39/44 (89%) without were correctly identified.</p><p><strong>Conclusion: </strong>Isolated hyperparasitaemia was no independent risk factor for critical disease in this patient cohort treated with artemisinins, suggesting that such patients can be managed outside intensive care units.</p>","PeriodicalId":17407,"journal":{"name":"Journal of travel medicine","volume":" ","pages":""},"PeriodicalIF":9.1,"publicationDate":"2025-05-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144187282","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Brazil's First H5N1 Outbreak in Commercial Poultry: A Sentinel Event for Cross-Border Preparedness. 巴西首次商品家禽H5N1疫情:跨境防范的前哨事件。
IF 9.1 2区 医学
Journal of travel medicine Pub Date : 2025-05-30 DOI: 10.1093/jtm/taaf050
Paulo Ricardo Martins-Filho, Lucindo José Quintans-Júnior
{"title":"Brazil's First H5N1 Outbreak in Commercial Poultry: A Sentinel Event for Cross-Border Preparedness.","authors":"Paulo Ricardo Martins-Filho, Lucindo José Quintans-Júnior","doi":"10.1093/jtm/taaf050","DOIUrl":"https://doi.org/10.1093/jtm/taaf050","url":null,"abstract":"<p><p>Brazil's first confirmed H5N1 outbreak in commercial poultry marks a critical shift in South America's avian influenza landscape. The event calls for strengthened coordination between animal and human health sectors, improved border surveillance, and early-warning systems to reduce zoonotic risk in regions with growing poultry production and international connectivity.</p>","PeriodicalId":17407,"journal":{"name":"Journal of travel medicine","volume":" ","pages":""},"PeriodicalIF":9.1,"publicationDate":"2025-05-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144187281","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Zika virus infection in a traveller returning to France from Seychelles, 2024. 2024年,从塞舌尔返回法国的旅行者感染寨卡病毒。
IF 9.1 2区 医学
Journal of travel medicine Pub Date : 2025-05-29 DOI: 10.1093/jtm/taaf048
Laura Pezzi, Nazli Ayhan, Justine Brulé, Guillaume André Durand, Gilda Grard, Xavier Lamballerie, Raphaelle Klitting
{"title":"Zika virus infection in a traveller returning to France from Seychelles, 2024.","authors":"Laura Pezzi, Nazli Ayhan, Justine Brulé, Guillaume André Durand, Gilda Grard, Xavier Lamballerie, Raphaelle Klitting","doi":"10.1093/jtm/taaf048","DOIUrl":"https://doi.org/10.1093/jtm/taaf048","url":null,"abstract":"<p><p>In August 2024, a case of Zika virus infection was identified in metropolitan France in a traveller returning from Seychelles. Genomic analysis confirmed the strain belongs to the Asian lineage. Recent epidemiological findings provide the first evidence of ZIKV circulation in the western Indian Ocean region.</p>","PeriodicalId":17407,"journal":{"name":"Journal of travel medicine","volume":" ","pages":""},"PeriodicalIF":9.1,"publicationDate":"2025-05-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144174385","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Efficacy of Bismuth Subsalicylate on the Prevention of Travellers' Diarrhoea, 2018-2023. 2018-2023年次水杨酸铋预防旅行者腹泻的疗效观察
IF 9.1 2区 医学
Journal of travel medicine Pub Date : 2025-05-29 DOI: 10.1093/jtm/taaf047
Kristina M Angelo, Zainab Salah, Marina Rogova, Ian D Plumb, Allison T Walker, Graeme Prentice-Mott, Charandeep Waraich, Sunkyung Kim, Edward Ryan, Regina C LaRocque, Elizabeth Oliver, Kristen Heitzinger, K Allison Perry-Dow, Bradley A Connor
{"title":"Efficacy of Bismuth Subsalicylate on the Prevention of Travellers' Diarrhoea, 2018-2023.","authors":"Kristina M Angelo, Zainab Salah, Marina Rogova, Ian D Plumb, Allison T Walker, Graeme Prentice-Mott, Charandeep Waraich, Sunkyung Kim, Edward Ryan, Regina C LaRocque, Elizabeth Oliver, Kristen Heitzinger, K Allison Perry-Dow, Bradley A Connor","doi":"10.1093/jtm/taaf047","DOIUrl":"https://doi.org/10.1093/jtm/taaf047","url":null,"abstract":"<p><strong>Background: </strong>Travellers' diarrhoea (TD) is the most common travel-related illness. Bismuth subsalicylate (BSS) is indicated for the treatment of TD. BSS is also used off-label for the prevention of TD, based on studies from the 1980s indicating TD protection, however, these studies have limitations. The objective of this study was to determine the efficacy of BSS in the prevention of TD.</p><p><strong>Methods: </strong>This study was a prospective, double-blinded, placebo-controlled, randomized clinical trial (NCT03535272) with two arms: BSS 4 tablets twice daily (2.1 grams of BSS total) vs placebo. Travellers were included if they were ≥ 18 and < 70 years of age at the time of enrollment, were leaving for an international trip ≥7 days after their pretravel consultation, travelling in country for ≥7 days but ≤ 21 days, and travelling to either Southeast Asia, South Central Asia, North Africa, or Sub-Saharan Africa. Self-completed web-based questionnaires were administered before, during, and after travel.</p><p><strong>Results: </strong>270 participants were included. The median age was 32 years (Interquartile range [IQR]: 27-44); 63% were female. Travellers were most frequently White (144; 61%) and non-Hispanic (239; 94%). The most frequent country of travel was Kenya (n = 87; 32%). The median total trip duration was 10 days ([IQR]: 8-13). The most frequent reason for travel was leisure/tourism (230; 85%). There was no significant difference among the groups for symptoms of loose stool and/or diarrhoea, although target sample size was not reached.</p><p><strong>Conclusions: </strong>This study provides the first new data since the 1980s about the potential use of BSS in the prevention of TD. These data should not be viewed as evidence in isolation because of sample size constraints; further studies are needed to determine if there is a benefit in certain traveller groups or under certain circumstances.</p>","PeriodicalId":17407,"journal":{"name":"Journal of travel medicine","volume":" ","pages":""},"PeriodicalIF":9.1,"publicationDate":"2025-05-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144174377","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Prognosis of isolated hyperparasitemia in adults with imported severe malaria. 输入性重症疟疾成人孤立性高寄生虫血症的预后。
IF 9.1 2区 医学
Journal of travel medicine Pub Date : 2025-05-24 DOI: 10.1093/jtm/taaf042
Sébastien Gaultier, Sandrine Houzé, Marc Thellier, Michael Thy, Nathan Peiffer-Smadja, Hermann Do Rego, Stéphane Jauréguiberry, Jean-François Timsit, Etienne Montmollin
{"title":"Prognosis of isolated hyperparasitemia in adults with imported severe malaria.","authors":"Sébastien Gaultier, Sandrine Houzé, Marc Thellier, Michael Thy, Nathan Peiffer-Smadja, Hermann Do Rego, Stéphane Jauréguiberry, Jean-François Timsit, Etienne Montmollin","doi":"10.1093/jtm/taaf042","DOIUrl":"https://doi.org/10.1093/jtm/taaf042","url":null,"abstract":"<p><strong>Background: </strong>Parasitemia > 4% (HP) is the most frequent severity criterion considered in adults with imported malaria, isolated hyperparasitemia (iHP) accounting for 10-40% cases. Its prognostic significance is controversial.</p><p><strong>Methods: </strong>Multicenter retrospective study including all adult patients with imported Plasmodium falciparummalaria and HP admitted to 16 hospitals in the Greater Paris area between 2018 and 2022 and reported to the National Reference Center. Among HP patients, iHP at hospital admission was identified by retrospective analysis of medical records to minimize classification bias. The primary endpoint was a composite outcome using the Desirability of Outcome Ranking (DOOR) method with three levels of decreasing desirability: hospital survival, absence of organ support requirement, shortest length of stay. Association between HP, iHP and outcomes was evaluated by negative binomial regression models.</p><p><strong>Results: </strong>Of 355 patients enrolled with HP, 135 (38%) had iHP. iHP patients were predominantly male (55.6%), aged 41 [32-52.3] years, and born in an endemic country (86.4%). Compared with patients with HP and additional severity criteria, iHP was independently associated with a lower risk of worse DOOR (RR 0.56, 95%CI[0.48-0.65]). No deaths were recorded in the iHP population, and 2/135 (1.5%) patients required organ support. In the iHP population, immunosuppression (RR 1.65, 95%CI[1.16-2,37]) and parasitemia>10% (RR 1.57, 95%CI[1.01-2.24]) were independently associated with worse DOOR. Only 47 (34.8%) iHP patients were admitted to an ICU at diagnosis, and 40 (29.6%) were treated with oral therapy alone.</p><p><strong>Conclusion: </strong>In imported malaria in France, iHP was associated with a low risk of serious adverse outcomes overall. In patients with iHP, immunosuppression and parasitemia > 10% were associated with an increased risk of adverse outcome, highlighting the importance of a close hospital monitoring.</p>","PeriodicalId":17407,"journal":{"name":"Journal of travel medicine","volume":" ","pages":""},"PeriodicalIF":9.1,"publicationDate":"2025-05-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144142527","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Measles Immunity Gaps: Distinct Serological Profiles from the United States and India. 麻疹免疫差距:来自美国和印度的不同血清学概况
IF 9.1 2区 医学
Journal of travel medicine Pub Date : 2025-05-24 DOI: 10.1093/jtm/taaf043
Huy Quang Quach, Inna G Ovsyannikova, Gregory A Poland, Richard B Kennedy
{"title":"Measles Immunity Gaps: Distinct Serological Profiles from the United States and India.","authors":"Huy Quang Quach, Inna G Ovsyannikova, Gregory A Poland, Richard B Kennedy","doi":"10.1093/jtm/taaf043","DOIUrl":"https://doi.org/10.1093/jtm/taaf043","url":null,"abstract":"","PeriodicalId":17407,"journal":{"name":"Journal of travel medicine","volume":" ","pages":""},"PeriodicalIF":9.1,"publicationDate":"2025-05-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144142524","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Prochlorperazine maleate versus placebo for the prophylaxis of Acute Mountain sickness: a double-blind randomized controlled trial. 马来酸丙氯哌嗪与安慰剂预防急性高山病:一项双盲随机对照试验。
IF 9.1 2区 医学
Journal of travel medicine Pub Date : 2025-05-22 DOI: 10.1093/jtm/taaf044
Elan Small, Harrison Steins, Martin Musi, Julia Perry, Elizabeth Goldberg, Mary Ryan, Lake Crawford, Brian Strickland, Tiana Linkus, Caleb Phillips, Ryan Paterson, Nathaniel Zona, Max Smolkin, Mia Derstine, Jay Lemery, Jennifer L Hoffman, Steven R Hick, Adit A Ginde, Peter Hackett, Linda E Keyes
{"title":"Prochlorperazine maleate versus placebo for the prophylaxis of Acute Mountain sickness: a double-blind randomized controlled trial.","authors":"Elan Small, Harrison Steins, Martin Musi, Julia Perry, Elizabeth Goldberg, Mary Ryan, Lake Crawford, Brian Strickland, Tiana Linkus, Caleb Phillips, Ryan Paterson, Nathaniel Zona, Max Smolkin, Mia Derstine, Jay Lemery, Jennifer L Hoffman, Steven R Hick, Adit A Ginde, Peter Hackett, Linda E Keyes","doi":"10.1093/jtm/taaf044","DOIUrl":"https://doi.org/10.1093/jtm/taaf044","url":null,"abstract":"<p><strong>Background: </strong>Acute mountain sickness (AMS) is a debilitating condition that may occur on ascent to high altitude, with limited options for chemoprophylaxis. The pathophysiology of AMS is poorly understood though may be similar to migraine. This study aimed to determine the efficacy of prochlorperazine, a first-line agent for acute migraine, for AMS prophylaxis.</p><p><strong>Methods: </strong>We performed a randomized, double-blind, placebo-controlled trial involving healthy, unacclimatized adult participants, primarily from the Denver area (1609 meters (m)) who received either oral prochlorperazine or placebo three times daily for 24 hours during rapid ascent to Mount Blue Sky, Colorado (4348 m). We evaluated individuals who received at least the first dose of placebo or intervention following a modified intent-to-treat approach. Participants travelled by vehicle to 3910 m, then hiked to the summit of Mount Blue Sky where they slept overnight. The primary outcome was AMS incidence as defined by the 2018 Lake Louise Questionnaire, which was assessed on the evening of ascent and the following morning.</p><p><strong>Results: </strong>We analysed fifty-six participants (25 women), with a mean age of 39 [IQR 28-49] with 28 participants in each study arm. Key baseline characteristics were equally distributed and well-matched between study arms. The incidence of AMS was 28 (50%), with 18 (64%) in the placebo arm and 10 (36%) in the prochlorperazine arm (p = 0.06). The absolute risk reduction was 28.6%, the number needed to treat was 4 and the odds ratio was 0.28 (95% C.I. 0.11-0.94). There were no serious adverse events, and there were no significant differences in the side effects between arms including for drowsiness (p = 0.47).</p><p><strong>Conclusions: </strong>Our results suggest that prochlorperazine is effective in preventing AMS. Larger studies are warranted to validate our findings.</p>","PeriodicalId":17407,"journal":{"name":"Journal of travel medicine","volume":" ","pages":""},"PeriodicalIF":9.1,"publicationDate":"2025-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144128006","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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