Journal
ACTA CHIRURGICA BELGICA
Volume 123, Issue 3, Pages 272-280Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/00015458.2021.1988231
Keywords
Pituitary adenoma; patient outcome; hormonal balance; visual deficits; transsphenoidal surgery; surgical complications
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This study retrospectively analyzed 105 patients who underwent transnasal transsphenoidal pituitary surgery for pituitary adenomas and found that the surgery can be performed safely and effectively in a large non-university hospital, improving visual and/or hormonal disturbances and providing long-term tumor control.
Objectives Pituitary adenomas (PAs), although being small tumours, can have quite an impact on patients' lives causing hormonal and visual disturbances, for which surgery must be performed. As a large peripheral hospital with specialists in pituitary surgery, an assessment of the efficacy and safety of transnasal transsphenoidal pituitary surgery was made. Methods A retrospective analysis of neurosurgical reports as well as pre and postoperative imaging was made to evaluate the presenting symptoms, tumoural variables, peri-operative morbidity, and long-term outcome. Results This cohort included 105 patients who were operated for PAs over a 9-year period, with a slight male predominance. Adenomas had a mean maximum diameter of almost 25 mm, with one-third of tumours presenting with a Knosp-grade 3 or 4. As expected, most patients presented with either visual (32.4%) or hormonal (40.0%) disturbances. After surgery, 85.3% had complete resolution of visual deficits, and 97.1% had normalisation of hormonal hypersecretion. Postoperative hormonal insufficiency requiring substitution was observed in 43.1% and was significantly more frequent in males and in non-functioning pituitary adenomas (NFAs). Postoperative cerebrospinal fluid (CSF) leakage was observed in 2.9%, and merely one patient developed meningitis. Tumour recurrence was significantly more frequent in patients with partial resection as compared to complete resection (25.6 vs. 7.9%). Conclusions This study demonstrates that transnasal transsphenoidal pituitary surgery can be performed safely and effectively in a large non-university hospital, improving visual and/or hormonal disturbances as well as providing long-term tumour control. Patients with larger adenomas are at an increased risk to develop postoperative hypopituitarism.
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