Clinical Study
Focus Harmonic Scalpel Compared to Conventional Haemostasis in Open Total Thyroidectomy: A Prospective Randomized Trial
Table 2
Operative and postoperative data in HS (Harmonic Scalpel) and CH (Conventional Hemostasis) groups.
| | HS group () | CH group () | P value |
| | Operative time (mean ± SD) (range), min | 44.9 ± 8.3 | 69.5 ± 10.7 | | | Postoperative drainage at 24 h (mean ± SD) (range), mL | 37.4 ± 2.4 | 56.1 ± 4.2 | | | Hospital stay (mean ± SD), days | 2.2 ± 0.9 | 3.7 ± 1.3 | , NS | | Thyroid weight (mean ± SD) (range), grams | 44.8 ± 19.7 | 51.1 ± 15.8 | , NS |
| | Postoperative pain | | | | | VAS at 24 h | 3.89 ± 1.07 | 5.82 ± 1.43 | | | VAS at 48 h | 1.99 ± 0.97 | 3.69 ± 1.36 | | | VRS at 24 h | 1.81 ± 0.75 | 2.15 ± 0.84 | | | VRS at 48 h | 1.06 ± 0.78 | 1.74 ± 0.62 | |
| | Postoperative complications | | | | | Transient hypocalcemia | 7 | 21 | | | Definitive hypoparathyroidism | 0 | 0 | NS | | Transient recurrent laryngeal nerve injury | 0 | 2 | NS | | Permanent recurrent laryngeal nerve palsy | 0 | 0 | NS |
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SD: standard deviation; NS: not significant; VAS: visual analogic scale; VRS: verbal response scale.
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