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Intraoperative Ultrasonography in Pituitary Surgery Revisited: An Institutional Experience and Systematic Review on Applications and Considerations Publisher Pubmed



Mosallami Aghili SM1 ; Maroufi SF2, 3 ; Sabahi M4 ; Esmaeilzadeh M5 ; Dabecco R4 ; Adada B4 ; Borgheirazavi H4
Authors
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Authors Affiliations
  1. 1. Department of Neurosurgery, Tehran University of Medical Sciences, Tehran, Iran
  2. 2. Neurosurgery Research Network (NRN), Universal Scientific Education and Research Network (USERN), Tehran, Iran
  3. 3. Faculty of Medicine, Tehran University of Medical Sciences, Tehran, Iran
  4. 4. Department of Neurological Surgery, Pauline Braathen Neurological Center, Cleveland Clinic Florida, Weston, FL, United States
  5. 5. Student Research Committee, Mashhad University of Medical Sciences, Mashhad, Iran

Source: World Neurosurgery Published:2023


Abstract

Objective: The primary objective of this systematic review is to evaluate the effectiveness of intraoperative ultrasound (IOUS) in improving outcomes in patients undergoing pituitary surgery. Methods: A systematic review was performed by searching MEDLINE (PubMed), Web of Science, Scopus, and Embase electronic bibliographic databases from conception to 2022. Results: The included studies yielded a total of 660 patients, with 488 patients undergoing IOUS. Outcome were available for 341 patients treated with IOUS and 157 patients who were treated without the IOUS application, and the remission rates following surgery were 76% and 59%, respectively. Only 2 studies reported remission rates for both groups, and meta-analysis for these studies showed significant superiority of intraoperative ultrasonography (Random effect, odds ratio 4.99, P < 0.01). Regarding extent of resection, IOUS resulted in 71% gross total resection, while absence of IOUS yielded a gross total resection rate of 44%. Among studies with available follow-up on IOUS, the recurrence rate was 3%. Pituitary dysfunction (34%), cerebrospinal fluid leak (31%), and central nervous system infection (8%) were the most common complications in the IOUS group. The mean follow-up was 19.97 months in studies reporting follow-up time. Conclusions: The application of the IOUS is both safe and effective and could improve the outcome of pituitary surgeries. IOUS can assist surgeons in the identification of pituitary tumors and their surrounding anatomy and can help minimize the risk of complications associated with this complex surgical procedure. © 2023 Elsevier Inc.
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