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Purpose <p>Conjoined twins present a rare and unique clinical phenomenon known as extrauterine twin–twin transfusion syndrome (EUTTTS), which is underrecognized and underreported in the literature. The present study aimed to conduct a comprehensive analysis of EUTTTS and highlight its various clinical manifestations to help physicians effectively identify and manage this condition.</p> Methods <p>A retrospective review was conducted on 10 sets of conjoined twins managed by a single medical team over a 3-year period. The impact of cross-circulation, management approaches, and clinical outcomes were evaluated.</p> Results <p>Seven of the sets (70%) exhibited features of EUTTTS. Four of these sets (57%) had nutritional imbalances, and three (43%) had medication crossover, which included fluid administration. Both craniopagus sets (29%) had hemodynamic instability. These clinical manifestations posed significant diagnostic challenges and management complexities. Furthermore, donor twins had a higher risk of morbidity and mortality as compared to recipients.</p> Conclusion <p>EUTTTS is a prevalent condition among conjoined twins, and it manifests as a spectrum of clinical presentations independent of the type of conjoined twins. Awareness of these presentations is essential for physicians managing conjoined twins to ensure timely diagnosis and optimal management strategies.</p>

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Extrauterine twin–twin transfusion syndrome in conjoined twins: prevalence and clinical implications

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年4月28日

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  • Tasnim Rubina Edun,
  • Abdulrahman Abdulmohsen Al Aujan,
  • Hamad Abdullah Al Khalaf,
  • Moutasem Abdulrahim Azzubi,
  • Mohammed Khabti Al Namshan,
  • Saad Abdulaziz Al Mohrij,
  • Abdullah Abdulaziz Al Rabeeah

摘要

Purpose

Conjoined twins present a rare and unique clinical phenomenon known as extrauterine twin–twin transfusion syndrome (EUTTTS), which is underrecognized and underreported in the literature. The present study aimed to conduct a comprehensive analysis of EUTTTS and highlight its various clinical manifestations to help physicians effectively identify and manage this condition.

Methods

A retrospective review was conducted on 10 sets of conjoined twins managed by a single medical team over a 3-year period. The impact of cross-circulation, management approaches, and clinical outcomes were evaluated.

Results

Seven of the sets (70%) exhibited features of EUTTTS. Four of these sets (57%) had nutritional imbalances, and three (43%) had medication crossover, which included fluid administration. Both craniopagus sets (29%) had hemodynamic instability. These clinical manifestations posed significant diagnostic challenges and management complexities. Furthermore, donor twins had a higher risk of morbidity and mortality as compared to recipients.

Conclusion

EUTTTS is a prevalent condition among conjoined twins, and it manifests as a spectrum of clinical presentations independent of the type of conjoined twins. Awareness of these presentations is essential for physicians managing conjoined twins to ensure timely diagnosis and optimal management strategies.