title: [Drainage time in patients submitted to radical neck dissection. Influence of peri-operative intravenous liquid perfusion].
abstract: BACKGROUND
  Drainage after radical neck dissection (RND) is routine and several factors impact the postoperative drainage number of days (PODND).
  
  
  OBJECTIVE
  to determine the impact of trans-operative intravenous fluid management (TOFM) in in PODND.
  
  
  METHODS
  Retrospective analysis of patients subjected to some type of radical neck dissection. Variables analyzed: blood loss volume, radical neck dissection type, surgical time, anesthesia time, and trans-operative intravenous fluid management volume.
  
  
  RESULTS
  120 patients included: average age 58.3 years; 60 males and 60 females. Radical neck dissection most frequent indications: thyroid cancer (36.6%), laryngeal cancer (15.8%) and tongue cancer (7.5%). Radical neck dissection most frequent types: 47 modified radical (39.2%), 22 lateral (18.3%) and 16 supra-omohyoid (13.3%). Median surgical time 3.55 hours, median anesthesia time 4.3 hours, median blood loss 278 ml, related to transoperative intravenous fluid management. Classical radical neck dissection was performed in 13 patients in whom postoperative drainage number of days was greater than in the other types (p = 0.08). No difference in postoperative drainage number of days among the different types of radical neck dissection. An apparent association was found between trans-operative intravenous fluid management volume and postoperative drainage number of days: the greater the quantity of fluids, the greater the number of days (p = 0.001). Patients who had drain removed during the first seven days had an average of 1,500 ml infused. Patients who had an average of 3,000 ml of fluid had drainage of 10 days. Perfusion > 3,500 ml = postoperative drainage number of days ≥ 10 días.
  
  
  CONCLUSIONS
  In the present series a statistically significant relationship was found between the TOFM and PODND. A meticulous surgical technique and an anesthesia procedure that carefully assesses fluid balance could decrease PODND.
authors.affiliation: Departamento de Anestesia, Hospital de Oncología, Centro Médico Nacional Siglo XXI, Instituto Mexicano del Seguro Social (IMSS), México, D.F.
authors.forename: Gerardo
authors.initials: G
authors.lastname: Durán-Briones
authors.forename: José Francisco
authors.initials: JF
authors.lastname: Gallegos Hernández
authors.forename: María Elena
authors.initials: ME
authors.lastname: Rendón Arroyo
authors.forename: Dulce María
authors.initials: DM
authors.lastname: Hernández-Hernández
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D004322:Drainage / Q000379:methods*; D005260:Female; D005440:Fluid Therapy; D006801:Humans; D007262:Infusions, Intravenous; D008297:Male; D008875:Middle Aged; D037981:Neck Dissection; D010477:Perfusion; D019990:Perioperative Care; D012189:Retrospective Studies; D013997:Time Factors; D055815:Young Adult