{"title":"Challenges to remote medical support at sea in Bulgaria: legislative gaps, operational needs, and integration of TMAS-SAR system.","authors":"Todor Yotov, Nikolina Radeva","doi":"10.5603/imh.108203","DOIUrl":"10.5603/imh.108203","url":null,"abstract":"<p><strong>Background: </strong>Remote medical assistance at sea is a critical component of maritime safety. Bulgaria's Telemedical Maritime Assistance Service (TMAS) framework remains underdeveloped despite new national telemedicine laws in 2025. The aim of this paper is to evaluate the effectiveness, efficiency, and compliance benefits of a unified TMAS-Search and Rescue (SAR) system in Bulgaria, assessing its impact on medical care access, coordination between maritime and healthcare authorities, and the economic and safety outcomes of maritime emergencies.</p><p><strong>Material and methods: </strong>A policy and systems analysis reviewed Bulgarian legislation, EU and IMO/ILO conventions, and operational case records from Maritime Regional Coordination Center (MRCC) Varna (2018-2025). Comparative benchmarking was performed with Romania, Greece, Turkey, and Germany. International \"one-door\" TMAS-SAR models were reviewed. Findings are supported by six data tables.</p><p><strong>Results: </strong>Bulgaria's 2025 telemedicine law regulates remote care but provides no TMAS-specific provisions, no designated provider, and no legal integration with SAR. Best-practice \"one-door\" systems abroad enable faster, better-coordinated medical and SAR responses. Bulgarian case series illustrate delays and frag-mented responsibilities. Comparative countries show functioning TMAS-SAR structures even without dedicated TMAS legislation.</p><p><strong>Conclusions: </strong>Bulgaria needs supplementary maritime-specific provisions, formal TMAS provider designation, SAR integration, and quality monitoring to align with international standards and protect seafarer health.</p>","PeriodicalId":45964,"journal":{"name":"International Maritime Health","volume":" ","pages":"186-194"},"PeriodicalIF":1.2,"publicationDate":"2026-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148799405","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Risk factors for decompression sickness among commercial divers in Qingdao, China - a single-center, retrospective study.","authors":"Lu Zhang, Hong Jie Wang, Qing Sun","doi":"10.5603/imh.110113","DOIUrl":"10.5603/imh.110113","url":null,"abstract":"<p><strong>Background: </strong>Decompression sickness (DCS) is a major occupational hazard for commercial divers. This study aimed to analyze the clinical characteristics and risk factors associated with DCS severity in com-mercial divers in Qingdao, China.</p><p><strong>Material and methods: </strong>A single-center retrospective study was conducted on 80 commercial divers with DCS treated at a tertiary hospital from 2017 to 2022. Demographic, diving-related, and clinical data were collected. Statistical analyses included independent-samples t-tests, chi-square tests, Mann-Whitney Utest, and Pearson correlation analysis.</p><p><strong>Results: </strong>Most patients were male (98.8%) with a mean age of 41.7 ± 10.2 years. Type I DCS accounted for 77.5% (n = 62) and type II for 22.5% (n = 18). Type II patients were significantly older (47.3 ± 7.1 vs. 40.1 ± 10.4 years, p = 0.007) and had longer diving experience (18.8 ± 9.6 vs. 13.7 ± 8.4 years, p =0.030) than type I patients. No significant differences were found in diving depth, number of recent dives, or time to symptom onset between groups. Age strongly correlated with diving experience (r = 0.772, p < 0.001). The incidence of type II DCS was highest in the 41-50 age group (36.4%) and among divers with > 25years of experience (50%). All patients improved with hyperbaric oxygen therapy, but full recovery was only observed in type I cases.</p><p><strong>Conclusions: </strong>Increasing age and longer diving experience are significant risk factors for severe (type II) DCS. Targeted health monitoring and safety education for this high-risk group are critical to reduce the incidence of severe DCS.</p>","PeriodicalId":45964,"journal":{"name":"International Maritime Health","volume":" ","pages":"168-174"},"PeriodicalIF":1.2,"publicationDate":"2026-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148867220","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Maciej Pancewicz, Krzysztof Galla, Antonina Sikorska, Julia Mielowska, Monika Kurpas
{"title":"First detection of Vibrio vulnificus and other potentially pathogenic Vibrio species on different types of waste material in the Gulf of Gdańsk.","authors":"Maciej Pancewicz, Krzysztof Galla, Antonina Sikorska, Julia Mielowska, Monika Kurpas","doi":"10.5603/imh.107714","DOIUrl":"https://doi.org/10.5603/imh.107714","url":null,"abstract":"<p><strong>Background: </strong>Vibrio bacteria, including pathogens like Vibrio vulnificus (V. vulnificus) and Vibrio cholerae (V. cholerae) (typical for tropical regions), are increasingly reported in the Baltic Sea, with rising infections linked to climate change. In our study, we examined the presence of Vibrio species on waste materials floating in the coastal zone.</p><p><strong>Material and methods: </strong>Seventy-five waste items were collected. Samples were rinsed, homogenized, and cultured on CHROMagar Vibrio and thiosulfate-citrate-bile salts-sucrose (TCBS) agar. Vibrio isolates were tested for their tolerance to salinity and susceptibility to antibiotics.</p><p><strong>Results: </strong>Vibrio contamination was most common on medical waste (46.15%), followed by plastic film (16%), and both cigarette butts and other waste (14.28%). No Vibrio was detected on food packaging. Two of the 25 Vibrio isolates (V. cholerae/mimicus) showed resistance to cefotaxime (CTX), piperacillin-tazobactam (TZP), trimethoprim-sulfamethoxazole (SXT), and imipenem (IMP). Salinity strongly influenced growth: all isolates grew best at 2% salinity, with reduced growth at 5% and minimal growth at 10-15%.</p><p><strong>Conclusions: </strong>The detection of V. vulnificus on medical waste such as band-aids raises concerns for individuals with open wounds, who should avoid seawater exposure during summer and replace wound dressings after swimming. Additionally, the presence of antibiotic-resistant V. cholerae/mimicus underscores the need for ongoing monitoring and further research into environmental reservoirs of pathogenic and drug-resistant Vibrio species.</p>","PeriodicalId":45964,"journal":{"name":"International Maritime Health","volume":"77 2","pages":"108-119"},"PeriodicalIF":1.2,"publicationDate":"2026-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148370270","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Evaluating of the readability of ChatGPT generated responses on travel health risks.","authors":"Zeynep Demirtaş Özyılmaz","doi":"10.5603/imh.104400","DOIUrl":"https://doi.org/10.5603/imh.104400","url":null,"abstract":"<p><strong>Background: </strong>Impressive advances in artificial intelligence have given travellers a new source of health information. AI-powered tools, such as ChatGPT, allow users to obtain health information in a fast and accessible way. The aim of this study was to assess the readability of ChatGPT responses to questions about health risks when travelling.</p><p><strong>Material and methods: </strong>Ten Questions about the health risks when travelling in the \"Questions and Answers\" section of the World Health Organisation's website have been asked 10 times to ChatGPT. A total of 100 answers was obtained and analyzed for readability.</p><p><strong>Results: </strong>The mean ± SD of Flesch Reading Ease was 35.82 ± 6.46, Flesch-Kincaid grade level was 13.25 ± 1.45, Simple Measure of Gobbledygook was 12.34 ± 1.29, Gunning Fog Index was 13.77 ± 1.34, Coleman-Liau Index was 14.52 ± 1.09, Automated Readability Index was 14.93 ± 1.81.</p><p><strong>Conclusions: </strong>The readability of the answers produced by ChatGPT was 'difficult' and a college level education is required to understand the text. Lack of understanding of information can reduce the likelihood of travellers making good health decisions. To improve the understandability of ChatGPT responses, it may be useful to generate responses at a significantly lower reading level.</p>","PeriodicalId":45964,"journal":{"name":"International Maritime Health","volume":" ","pages":""},"PeriodicalIF":1.0,"publicationDate":"2025-09-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145070591","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Michalina Maria Walo, Jakub Świtalski, Sylwia Jopek, Grażyna Dykowska
{"title":"Knowledge, self-assessment of competence and attitudes toward postgraduate training in travel medicine among Polish nurses: a cross-sectional study.","authors":"Michalina Maria Walo, Jakub Świtalski, Sylwia Jopek, Grażyna Dykowska","doi":"10.5603/imh.104177","DOIUrl":"https://doi.org/10.5603/imh.104177","url":null,"abstract":"<p><strong>Background: </strong>In recent years, there has been a growing trend of world travel among Poles. Nurses can play a significant role in educating patients about, among other things, the principles of prevention related to travel medicine. The aim of this study was to investigate the knowledge, self-assessment of the level of competence and attitudes toward potential travel medicine training among Polish nurses.</p><p><strong>Material and methods: </strong>A cross-sectional survey was implemented using a proprietary questionnaire, that, in addition to questions on nurses' knowledge of travel medicine, included questions on attitudes toward potential postgraduate training in this field. The survey was conducted among nurses from hospitals, primary care clinics and specialty clinics.</p><p><strong>Results: </strong>One hundred thirty-seven nurses participated in the survey. Respondents with a specialty or those who had completed various types of specialty courses or training had significantly higher levels of knowledge in travel medicine than other respondents. Age (H = 3.51; p = 0.476), length of service (H = 9.291; p = 0.054), educational level (H = 1.479; p = 0.477) and place of employment (H = 2.315; p = 0.678) did not differentiate respondents' travel medicine knowledge. An inadequate level of nurses' knowledge of immunizations for pregnant women planning to travel abroad and the rules of the European Health Insurance Card was observed. The majority of respondents believe that they do not have adequate training to provide care to travel patients.</p><p><strong>Conclusions: </strong>Given the dynamic pace of tourism development and the increased travel opportunities for Poles, postgraduate training for the nursing profession in travel medicine to increase knowledge and competence in the principles of safe travel should be available. This could translate into increased opportunities to effectively educate patients and provide professional care for them.</p>","PeriodicalId":45964,"journal":{"name":"International Maritime Health","volume":" ","pages":""},"PeriodicalIF":1.0,"publicationDate":"2025-09-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145041800","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Antiplasmodial activity of Gracilaria sp. ethanol extract against Plasmodium falciparum.","authors":"Endah Setyaningrum, Linda Septiani, Heri Wibowo, Achmad Arifiyanto, Jeany Audina Suryaningkunti","doi":"10.5603/imh.104586","DOIUrl":"https://doi.org/10.5603/imh.104586","url":null,"abstract":"<p><p>Malaria infections are increasingly resisting drug therapy, indicating the need to address and provide more affordable alternative raw materials for medicines to overcome parasite resistance. In this context, seaweeds are one of the potential maritime resources that can be explored. Therefore, this study aimed to gain an overview of the Gracilaria sp. ethanol extract and its constituents in suppressing Plasmodium parasites in vitro. Seaweed was dried, powdered, and underwent ethanol extraction, then screening for compound content was achieved with a phytochemical method, infrared spectroscopy, and gas chromatography. The ethanol extract of Gracilaria sp. was tested for toxicity in inhibiting the growth of parasites that cause malaria, particularly Plasmodium falciparum strain D37. The results showed that saponins, tannins, flavonoids, and alkaloids were found in the seaweed ethanol extract used. Alkaloids, flavonoids, and derivative chemicals inhibited Plasmodium parasite growth with an IC50 of 43.38 μg/mL.</p>","PeriodicalId":45964,"journal":{"name":"International Maritime Health","volume":" ","pages":""},"PeriodicalIF":1.0,"publicationDate":"2025-09-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145041781","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Aggression, psychological violence and sexual harassment in seafarers in France: Comment.","authors":"Joseph T Gudelos","doi":"10.5603/imh.103704","DOIUrl":"https://doi.org/10.5603/imh.103704","url":null,"abstract":"","PeriodicalId":45964,"journal":{"name":"International Maritime Health","volume":" ","pages":""},"PeriodicalIF":1.6,"publicationDate":"2025-07-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144638372","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Antonio Roberto Abaya, Regina Bacnis Abola, Manuel S Vidal, Jian Kenzo O Leal, Jonathan P Chan, Saren Bogalonta Roldan, Jaime Jose Lorenzo C De Rivera
{"title":"Retrospective 10-year study on Filipino seafarer medical repatriations: comparing two time periods.","authors":"Antonio Roberto Abaya, Regina Bacnis Abola, Manuel S Vidal, Jian Kenzo O Leal, Jonathan P Chan, Saren Bogalonta Roldan, Jaime Jose Lorenzo C De Rivera","doi":"10.5603/imh.100438","DOIUrl":"10.5603/imh.100438","url":null,"abstract":"<p><strong>Background: </strong>Our group has published two 5-year studies on the repatriation rates of Filipino seafarers from 2010 to 2014 and 2015 to 2019. The Maritime Labor Convention (MLC) 2006, which promotes seafarers' rights, was ratified in the Philippines in 2012. The current study investigates whether any change occurred since then.</p><p><strong>Materials and methods: </strong>We analyzed the total repatriation rates and medical causes of repatriation throughout the 10-year period. We performed a t-test to compare the repatriation rates in both 5-year periods, and χ-square tests for the medical causes.</p><p><strong>Results: </strong>The repatriation rate decreased from 2015 to 2019 with a t-test score of 0.0453 (P < 0.05). Musculoskeletal and gastrointestinal diseases, as well as injuries/traumas were the most frequent causes of repatriation. There was a significant increase in the number of musculoskeletal and psychiatric/ /psychological causes for repatriation, and a decrease in injuries/traumas.</p><p><strong>Conclusions: </strong>A historical review of the 10-year period across the two studies revealed that these changes coincided with implementation of MLC 2006 in August 2013. This was designed as the seafarers' Magna Carta, promoting and establishing various provisions to improve global seafarers' welfare including areas such as minimum age, seafarers' employment agreements, hours of work or rest, payment of wages, onboard medical care, accommodation, food and catering standards, health and safety protection, and accident prevention. Our study shows changes in repatriations that indicate an improvement in trauma rates, and while no method can definitively show statistical correlation or cause and effect, we can safely conclude that there is a positive correlation between the implementation of the 2006 MLC and the repatriation rates of Filipino seafarers.</p>","PeriodicalId":45964,"journal":{"name":"International Maritime Health","volume":"76 1","pages":"33-41"},"PeriodicalIF":1.6,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144038997","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Laura Balanza Cañete, Laura Martínez-Alarcón, Francisca Sánchez-Ayllón
{"title":"Disabling diseases and disabilities in professional divers from the region of Murcia (Spain).","authors":"Laura Balanza Cañete, Laura Martínez-Alarcón, Francisca Sánchez-Ayllón","doi":"10.5603/imh.101290","DOIUrl":"10.5603/imh.101290","url":null,"abstract":"<p><strong>Background: </strong>Professional diving is an activity that is carried out more and more frequently, due to the great professional opportunities it offers. It is a job with high responsibility and a lot of risk, involving low temperatures, adverse weather conditions, and high pressures, which requires the diver to be in optimal conditions. The general objective of this research work is to analyze disabling diseases and disabilities in professional divers in the Region of Murcia.</p><p><strong>Material and methods: </strong>A descriptive and cross-sectional observational study, type of case series, has been carried out to analyze the causes and factors of the disabilities that occurred in 169 professional divers in the region of Murcia (Spain) from 2014 to 2020.</p><p><strong>Results: </strong>The accumulated incidence of disability in seven years, with 39 cases, is 230.7 subjects per 1,000 divers, much higher than that of the rest of the maritime workers, which turns out to be 130.1/1000 in the same period of time. The average age is 33.7 ± 7.2 years, and the professional experience is 9.6 ± 6.1 years. Occupational diseases and work accidents were responsible for 15 (38.55%) cases. Otorhinolaryngologic (33.3%), musculoskeletal (25.6%), and psychiatric (10.2%) pathologies are the three most common causes.</p><p><strong>Conclusions: </strong>Perfect physical condition, health and, especially, age in professional diving are a limitation, the latter being a risk indicator, so it is essential that the professional is in optimal physical condition and is aware of the limitations to carry out said professional activity, due to the great adversity it entails in being able to carry out it throughout one's entire active working life.</p>","PeriodicalId":45964,"journal":{"name":"International Maritime Health","volume":"76 4","pages":"268-273"},"PeriodicalIF":1.0,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145913333","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Ciro Ruocco, Francesco Amenta, Ulrico Angeloni, Emanuela Maria Frisicale, Francesco Vaia, Getu Gamo Sagaro
{"title":"A smartwatch electrocardiogram for atrial fibrillation detection: a case report.","authors":"Ciro Ruocco, Francesco Amenta, Ulrico Angeloni, Emanuela Maria Frisicale, Francesco Vaia, Getu Gamo Sagaro","doi":"10.5603/imh.99319","DOIUrl":"10.5603/imh.99319","url":null,"abstract":"<p><p>Early detection and accurate diagnosis are crucial for effective management and prevention of complications associated with atrial fibrillation (AF). The advent of wearable technology has revolutionized the way we detect and monitor cardiac conditions. This case report describes a patient who requested medical assistance from the Centro Internazionale Radio Medico (CIRM), the Italian Telemedical Maritime Assistance Service (TMAS) center and was diagnosed with AF while on board a merchant ship using a smartwatch Electrocardiogram (ECG).</p>","PeriodicalId":45964,"journal":{"name":"International Maritime Health","volume":"76 2","pages":"93-96"},"PeriodicalIF":1.6,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144545431","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}