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Time spent per patient in lumbar spinal stenosis surgery.
Eur Spine J. 2013 Aug; 22(8):1868-76.ES

Abstract

PURPOSE

To examine the time needed from a surgeon's viewpoint to treat a patient operated for lumbar spinal stenosis. We firstly aimed to give evidence of the wide ranging duration of standardized procedure. Secondly, we investigated factors affecting the time allocated to each patient.

METHODS

438 medical records of patients operated on for lumbar decompression without fusion (2005-2011) were retrospectively examined. Primary data were operative time (OT, min), length of stay (LoS, days) and number of postoperative visits. A fourth parameter was calculated, the time spent per patient (TSPP, min) by summing the time spent in surgery, during inpatient and outpatient follow-up visits. Factors that influenced these medical resources were examined.

RESULTS

Median (5th-95th percentile) LoS was 5 days (2-15), OT 106 min (60-194), number of medical visits 5 (2-11) and TSPP 329 min (206-533). In descending order, factors predicting LoS were age, no. of levels, sex, operative technique, cardiovascular risk index, dural tear and haematoma. Factors predicting OT were number of levels, dural tear, foraminotomy, synovial cyst and body mass index. The statistical model could predict 36% of the TSPP variance. We recommend that surgeons add 35 min for each level, 29 min for patients over 65 years, 30 min for women, 132 min for dural tear and 108 min for epidural haematoma.

CONCLUSION

TSPP treated for lumbar spinal stenosis is highly variable, yet partially predictable. These data may help individual surgeons or heads of departments to plan their activities.

Authors+Show Affiliations

Department of orthopaedicsurgery, Cliniques Universitaires St. Luc, Université Catholique de Louvain, Avenue Hippocrate, 10, 1200 Brussels, Belgium. kaminski.ludovic@gmail.comNo affiliation info available

Pub Type(s)

Journal Article

Language

eng

PubMed ID

23397190

Citation

Kaminski, Ludovic, and Xavier Banse. "Time Spent Per Patient in Lumbar Spinal Stenosis Surgery." European Spine Journal : Official Publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society, vol. 22, no. 8, 2013, pp. 1868-76.
Kaminski L, Banse X. Time spent per patient in lumbar spinal stenosis surgery. Eur Spine J. 2013;22(8):1868-76.
Kaminski, L., & Banse, X. (2013). Time spent per patient in lumbar spinal stenosis surgery. European Spine Journal : Official Publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society, 22(8), 1868-76. https://doi.org/10.1007/s00586-013-2691-y
Kaminski L, Banse X. Time Spent Per Patient in Lumbar Spinal Stenosis Surgery. Eur Spine J. 2013;22(8):1868-76. PubMed PMID: 23397190.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Time spent per patient in lumbar spinal stenosis surgery. AU - Kaminski,Ludovic, AU - Banse,Xavier, Y1 - 2013/02/09/ PY - 2012/09/13/received PY - 2013/01/25/accepted PY - 2012/12/09/revised PY - 2013/2/12/entrez PY - 2013/2/12/pubmed PY - 2014/5/29/medline SP - 1868 EP - 76 JF - European spine journal : official publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society JO - Eur Spine J VL - 22 IS - 8 N2 - PURPOSE: To examine the time needed from a surgeon's viewpoint to treat a patient operated for lumbar spinal stenosis. We firstly aimed to give evidence of the wide ranging duration of standardized procedure. Secondly, we investigated factors affecting the time allocated to each patient. METHODS: 438 medical records of patients operated on for lumbar decompression without fusion (2005-2011) were retrospectively examined. Primary data were operative time (OT, min), length of stay (LoS, days) and number of postoperative visits. A fourth parameter was calculated, the time spent per patient (TSPP, min) by summing the time spent in surgery, during inpatient and outpatient follow-up visits. Factors that influenced these medical resources were examined. RESULTS: Median (5th-95th percentile) LoS was 5 days (2-15), OT 106 min (60-194), number of medical visits 5 (2-11) and TSPP 329 min (206-533). In descending order, factors predicting LoS were age, no. of levels, sex, operative technique, cardiovascular risk index, dural tear and haematoma. Factors predicting OT were number of levels, dural tear, foraminotomy, synovial cyst and body mass index. The statistical model could predict 36% of the TSPP variance. We recommend that surgeons add 35 min for each level, 29 min for patients over 65 years, 30 min for women, 132 min for dural tear and 108 min for epidural haematoma. CONCLUSION: TSPP treated for lumbar spinal stenosis is highly variable, yet partially predictable. These data may help individual surgeons or heads of departments to plan their activities. SN - 1432-0932 UR - https://www.unboundmedicine.com/medline/citation/23397190/Time_spent_per_patient_in_lumbar_spinal_stenosis_surgery_ L2 - https://doi.org/10.1007/s00586-013-2691-y DB - PRIME DP - Unbound Medicine ER -