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Objective: To clarify the contribution of the subcutaneous area during breast approach endoscopic thyroidectomy (BAET), with regard to invasiveness-related outcomes.Methods: Seventy-two patients were randomly assigned to two groups: standard dissection and limited dissection. Postoperative pain and inflammatory response were compared between groups.Results: The groups were well matched except for subcutaneous dissection area (137.11 ± 21.10 vs. 83.69 ± 12.10 cm(2), p < 0.0001). No significant difference was found with regard to VAS score and postoperative inflammatory response.Conclusion: Our RCT indicated that the subcutaneous area plays a less important role with regard to BAET-related postoperative pain. [ABSTRACT FROM AUTHOR]

Aim: The aim of this study was to evaluate the issue of improvement of disadvantages of different type meshes.Methods: A retrospective analysis was performed on 101 gastroesophageal reflux disease patients who underwent reinforcement of crura with or without prosthetic mesh. Three types of mesh, 4-ply biologic small intestine submucosa (SIS, Surgisis(®), since November 2010), 6-ply SIS (Biodesign™ Surgisis(®), since March 2011), and composite synthetic mesh (Crurasoft(®), since May 2010), were used. All patients were assigned to simple suture group (n = 35), 4-ply SIS group (n = 13), 6-ply Biodesign™ group (n = 26) or Crurasoft(®) group (n = 27). Postoperative follow-up was performed via clinical visit or phone call contact. Subjective assessment included dysphagia, patients' symptomatic outcome judgment according to Visick and patients' satisfaction. Objective evaluation included hiatal hernia recurrence according to upper endoscopy and barium contrast swallow. Follow-up was completed in 83 patients with a mean duration of 45 months (range 16-149 months).Results: For the objective outcomes, although anatomic recurrence of hiatal hernia did not significantly differ between groups at 6 months postoperatively, long-term results showed a protective effect of mesh implantation on hernia recurrence (p = 0.047). For the subjective outcomes, the mesh group had a more significant improvement in Visick score (p = 0.020) compared to the simple suture group. Patient satisfaction was significantly higher in the mesh group (p = 0.014), and subgroup analysis showed a clear trend as follows: Crurasoft(®) ≈ Biodesign(®) > SIS(®). A higher frequency of postoperative dysphagia was presented in the Crurasoft group compared with other two groups at 6 months postoperatively, but the difference was not significant over time (p = 0.227).Conclusion: Mesh cruroplasty results in satisfactory symptom control with a low recurrence rate. 6-ply biologic mesh is promising with respect to the reduction in anatomic recurrences. Postoperative dysphagia does not occur commonly following mesh cruroplasty with PTFE/ePTFE mesh. [ABSTRACT FROM AUTHOR]

Aim: To evaluate the efficacy of carbon nanoparticles (CNs) in identifying lymph nodes and preserving parathyroids in endoscopic total thyroidectomy (ETT) with central neck dissection (CND), and to further explore the role of CNs in recovering postoperative parathyroid function.Method: Fifty-five patients with papillary thyroid carcinoma were randomized to either CN group (n = 28) or control group (n = 27). The primary outcome measures were pathological results (e.g., amount of incidental removed parathyroids and lymph nodes dissected) and follow-up results [e.g., recovery of serum calcium and parathyroid hormone (PTH) levels]. The secondary end-points were the rates of neuromuscular symptoms, in-hospital postoperative hormonal assay, and lymph node metastases.Results: A total of 193 lymph nodes in the CN group and 123 lymph nodes in the control group were detected. The mean number of detected lymph nodes was significantly higher in the CN group than in the control group (P = 0.009). Parathyroids were present in the thyroid or central nodal specimens of five patients, which were all in the control group. The control group had a relatively higher incidence of incidental parathyroidectomy compared to the CN group (P = 0.023). Compared to the CN group, the incidence of paresthesia was higher in the control group even if not statistically significant. During follow-up, the serum calcium levels were higher in the CN group than in the control group; however, there was no statistically significant difference. For the serum PTH levels, the CN group recovered rapidly to the preoperative levels, whereas the control group climbed steadily to the normal range. The serum PTH levels in the CN group were apparently higher than in the control group at 1 week and 1 month postoperatively.Conclusion: CNs play an important role in protecting parathyroid glands, dissecting lymph nodes thoroughly, and promoting rapid recovery of parathyroid in ETT with CND (ChiCTR-TRC-14005042). [ABSTRACT FROM AUTHOR]