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Comparison of Cranioplasty Techniques Following Translabyrinthine Surgery: Implications for Postoperative Pain and
Pedrom C Sioshansi1,2, Mulin Xiong3, Nathan C Tu1
1Department of Neurotology, Michigan Ear Institute, St. John Providence Hospital and Medical Centers, Farmington Hills, Michigan.
Objective:
To assess differences in postoperative pain, opioid usage, and surgical outcomes between cranioplasty using abdominal fat graft (AFG) versus hydroxyapatite cement (HAC) following translabyrinthine surgery.
Study Design:
Retrospective case control.
Setting:
Tertiary referral center.
Patients:
Sixty translabyrinthine procedures were evaluated, including 30 consecutive HAC patients and 30 matched AFG patients. Patients were matched by age, gender, body mass index, and tumor size.
Intervention:
Cranioplasty using HAC or AFG following translabyrinthine resection of vestibular schwannoma.
Main Outcome Measures:
Postoperative patient pain ratings, narcotic usage, inpatient length of stay, and complication rates.
Results:
Patients who underwent HAC cranioplasty had lower postoperative pain scores on several measures (p < 0.05) and less postoperative narcotic usage (mean difference of 36.7 morphine equivalents, p = 0.0025) when compared to those that underwent AFG closure. HAC cranioplasty patients had shorter average length of hospital stay (2.2 vs 3.4 days, p = 0.0441). Postoperative cerebrospinal fluid leaks (one in HAC group, two in AFG group) and skin reactions in AFG closure patients (n = 1) were infrequent.
Conclusion:
HAC cranioplasty is a safe technique comparable to AFG closure following translabyrinthine surgery which can decrease postoperative pain, narcotic usage, and hospital length of stay.
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