title: Comparative outcomes of lateral transperitoneal adrenalectomy versus posterior retroperitoneoscopic adrenalectomy in consecutive patients: A single surgeon's experience.
abstract: BACKGROUND
  Among several minimally invasive adrenalectomy techniques, lateral transperitoneal adrenalectomy (LTA) is the procedure of choice for benign adrenal tumors; however, posterior retroperitoneoscopic adrenalectomy (PRA) is an alternative that is increasing in popularity. This study compared the outcomes of these two approaches.
  
  
  METHODS
  Since a single surgeon started adrenalectomy, LTA had been performed exclusively until PRA was adopted and became the standard treatment. Therefore, the consecutive patients were allocated into two groups according to the date of surgery: the first group received LTA and the second group received PRA.
  
  
  RESULTS
  LTA was performed in 29 patients and PRA in 19 patients. There was no difference in sex, age, body mass index, clinical diagnosis, and tumor size between the LTA and the PRA group. The PRA group showed less blood loss (117.0 mL vs. 58.5 mL, p = 0.035) and tended to have a shorter operating time (92.2 minutes vs. 78.1 minutes, p = 0.054) and less pain score on postoperative Day 1 (3.8 vs. 3.0, p = 0.095) and Day 2 (3.2 vs. 2.5, p = 0.051). The mean operation time was significantly shorter for patients in the PRA group undergoing right adrenalectomy (109.2 minutes vs. 80.5 minutes, p = 0.009), but those undergoing left adrenalectomy had a similar operating time to the LTA group (83.2 minutes vs. 74.8 minutes, p = 0.380).
  
  
  CONCLUSIONS
  PRA is a good alternative operative technique for an endocrine surgeon who is experienced in the transperitoneal approach.
authors.affiliation: Department of Surgery, Seoul National University Boramae Medical Center, Seoul, South Korea; Cancer Research Institute, Seoul National University College of Medicine, Seoul, South Korea.
authors.forename: Young Jun
authors.initials: YJ
authors.lastname: Chai
authors.affiliation: Cancer Research Institute, Seoul National University College of Medicine, Seoul, South Korea; Department of Surgery, Seoul National University Hospital and College of Medicine, Seoul, South Korea.
authors.forename: Jung-Woo
authors.initials: JW
authors.lastname: Woo
authors.affiliation: Cancer Research Institute, Seoul National University College of Medicine, Seoul, South Korea; Department of Surgery, Seoul National University Hospital and College of Medicine, Seoul, South Korea.
authors.forename: Hyungju
authors.initials: H
authors.lastname: Kwon
authors.affiliation: Cancer Research Institute, Seoul National University College of Medicine, Seoul, South Korea; Department of Surgery, Seoul National University Bundang Hospital and College of Medicine, Seongnam, South Korea.
authors.forename: June Young
authors.initials: JY
authors.lastname: Choi
authors.affiliation: Cancer Research Institute, Seoul National University College of Medicine, Seoul, South Korea; Department of Surgery, Seoul National University Hospital and College of Medicine, Seoul, South Korea.
authors.forename: Su-Jin
authors.initials: SJ
authors.lastname: Kim
authors.affiliation: Cancer Research Institute, Seoul National University College of Medicine, Seoul, South Korea; Department of Surgery, Seoul National University Hospital and College of Medicine, Seoul, South Korea. Electronic address: kyu.eun.lee.md@gmail.com.
authors.forename: Kyu Eun
authors.initials: KE
authors.lastname: Lee
mesh_terms: D000310:Adrenal Gland Neoplasms / Q000601:surgery*; D000315:Adrenalectomy / Q000379:methods*; D000328:Adult; D005260:Female; D006801:Humans; D010535:Laparoscopy / Q000379:methods; D008297:Male; D008875:Middle Aged
keywords: blood loss; lateral transperitoneal adrenalectomy; posterior retroperitoneoscopic adrenalectomy; postoperative outcome; postoperative pain