Incidence and risk factors associated with reoperation for sellar hematoma following endoscopic transsphenoidal pituitary surgery

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  • 1 Weill Cornell Medical College; and
  • 2 Departments of Neurosurgery,
  • 3 Otolaryngology,
  • 4 Neuroscience, and
  • 5 Endocrinology, Weill Cornell Medical College, NewYork-Presbyterian Hospital, New York, New York
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OBJECTIVE

Postoperative sellar hematoma is an uncommon complication of endonasal endoscopic transsphenoidal surgery (EETS) for pituitary adenoma that often requires emergency surgical evacuation. Sellar hematomas can cause mass effect and compress parasellar structures, leading to clinically significant symptoms such as visual impairment and severe headache. The objective of this study was to determine the incidence and risk factors associated with reoperation for postoperative hematoma after EETS for pituitary adenoma.

METHODS

The authors reviewed a prospectively acquired database of EETS for pituitary adenoma over 13 years at Weill Cornell Medicine, NewYork-Presbyterian Hospital and identified cases that required reoperation for confirmed hematoma. They also reviewed clinical and radiographic data of a consecutive series of patients undergoing EETS for pituitary adenoma who did not have postoperative hematoma, which served as the control group. Demographic data and risk factors were compared between the groups using univariate and multivariate analyses via binary logistic regression.

RESULTS

Among a cohort of 583 patients undergoing EETS for pituitary adenoma, 9 patients (1.5%) required operation for sellar hematoma evacuation. All 9 patients with reoperation for sellar hematoma presented with worsening in their vision, and severe headache was present in 67%. New postoperative endocrine dysfunction developed in 78%. Clot evacuation improved vision in 88%. The mean time to hematoma evacuation was 4.5 days. The median length of stay for patients with sellar hematoma was 8 days (range 4–210 days) compared with a median length of stay of 3 days (range 1–32 days) for the control patients (p < 0.005). Significant risk factors in univariate analysis were tumor diameter ≥ 30 mm (p < 0.005), suprasellar extension (p < 0.005), tumor volume (p < 0.005), cavernous sinus invasion (p < 0.05), gonadotroph histology (p < 0.05), antiplatelet use (p < 0.05), and elevated BMI (p < 0.05). On multivariate analysis, tumor diameter ≥ 30 mm (OR 4.555, CI 1.30–28.90; p < 0.05) and suprasellar extension (OR 1.048, CI 1.01–1.10; p < 0.05) were found to be the only independent predictors of sellar hematoma. The incidence of hematoma in tumors ≥ 30 mm was 5% (7/139).

CONCLUSIONS

Postoperative sellar hematoma requiring reoperation is a rare phenomenon after transsphenoidal surgery, often presenting with visual loss and headache. Clot evacuation results in improvement in vision, but long-term endocrinopathy often ensues. Tumor diameter ≥ 30 mm and suprasellar extent are the most reliable risk factors. Close postoperative scrutiny should be given to patients at high risk.

ABBREVIATIONS EETS = endonasal endoscopic transsphenoidal surgery; GH = growth hormone; GTR = gross-total resection; STR = subtotal resection.

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Contributor Notes

Correspondence Theodore H. Schwartz: Weill Cornell Medicine, New York, NY. schwarh@med.cornell.edu.

INCLUDE WHEN CITING Published online August 23, 2019; DOI: 10.3171/2019.6.JNS191169.

Disclosures Dr. Schwartz: consultant for RPW Technology, Integra, and Fleur Desbx; investor in Mivi Neuroscience and Serenity Medical Inc.; and ownership in Neurotechnology Investors LLC.

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