Percutaneous pedicle screw placement under single dimensional fluoroscopy with a designed pedicle finder-a technical note and case series

Fon Yih Tsuang, Chia Hsien Chen, Yi Jie Kuo, Wei Lung Tseng, Yuan Shen Chen, Chin Jung Lin, Chun Jen Liao, Feng Huei Lin, Chang Jung Chiang

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Background Context: Minimally invasive spine surgery has become increasingly popular in clinical practice, and it offers patients the potential benefits of reduced blood loss, wound pain, and infection risk, and it also diminishes the loss of working time and length of hospital stay. However, surgeons require more intraoperative fluoroscopy and ionizing radiation exposure during minimally invasive spine surgery for localization, especially for guidance in instrumentation placement. In addition, computer navigation is not accessible in some facility-limited institutions. Purpose: This study aimed to demonstrate a method for percutaneous screws placement using only the anterior-posterior (AP) trajectory of intraoperative fluoroscopy. Study Design: A technical report (a retrospective and prospective case series) was carried out. Patient Sample: Patients who received posterior fixation with percutaneous pedicle screws for thoracolumbar degenerative disease or trauma comprised the patient sample. Method: We retrospectively reviewed the charts of consecutive 670 patients who received 4,072 pedicle screws between December 2010 and August 2015. Another case series study was conducted prospectively in three additional hospitals, and 88 consecutive patients with 413 pedicle screws were enrolled from February 2014 to July 2016. The fluoroscopy shot number and radiation dose were recorded. In the prospective study, 78 patients with 371 screws received computed tomography at 3 months postoperatively to evaluate the fusion condition and screw positions. Results: In the retrospective series, the placement of a percutaneous screw required 5.1 shots (2-14, standard deviation [SD]=2.366) of AP fluoroscopy. One screw was revised because of a medialwall breach of the pedicle. In the prospective series, 5.8 shots (2-16, SD=2.669) were required forone percutaneous pedicle screw placement. There were two screws with a Grade 1 breach (8.6%), both at the lateral wall of the pedicle, out of 23 screws placed at the thoracic spine at T9-T12. Forthe lumbar and sacral areas, there were 15 Grade 1 breaches (4.3%), 1 Grade 2 breach (0.3%), and 1 Grade 3 breach (0.3%). No revision surgery was necessary. Conclusion: This method avoids lateral shots of fluoroscopy during screw placement and thus decreases the operation time and exposes surgeons to less radiation. At the same time, compared with the computer-navigated procedure, it is less facility-demanding, and provides satisfactory reliability and accuracy.

Original languageEnglish
Pages (from-to)1373-1380
JournalSpine Journal
Volume17
Issue number9
DOIs
Publication statusPublished - Sep 2017

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Fluoroscopy
Spine
Minimally Invasive Surgical Procedures
Length of Stay
Radiation
Wound Infection
Ionizing Radiation
Pedicle Screws
Reoperation
Thorax
Tomography
Prospective Studies
Pain
Wounds and Injuries

Keywords

  • Fluoroscopy
  • Minimally invasive spine surgery
  • Navigation
  • Pedicle screw
  • Percutaneous screw
  • Radiation

ASJC Scopus subject areas

  • Surgery
  • Clinical Neurology

Cite this

Percutaneous pedicle screw placement under single dimensional fluoroscopy with a designed pedicle finder-a technical note and case series. / Tsuang, Fon Yih; Chen, Chia Hsien; Kuo, Yi Jie; Tseng, Wei Lung; Chen, Yuan Shen; Lin, Chin Jung; Liao, Chun Jen; Lin, Feng Huei; Chiang, Chang Jung.

In: Spine Journal, Vol. 17, No. 9, 09.2017, p. 1373-1380.

Research output: Contribution to journalArticle

Tsuang, Fon Yih ; Chen, Chia Hsien ; Kuo, Yi Jie ; Tseng, Wei Lung ; Chen, Yuan Shen ; Lin, Chin Jung ; Liao, Chun Jen ; Lin, Feng Huei ; Chiang, Chang Jung. / Percutaneous pedicle screw placement under single dimensional fluoroscopy with a designed pedicle finder-a technical note and case series. In: Spine Journal. 2017 ; Vol. 17, No. 9. pp. 1373-1380.
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AU - Tseng, Wei Lung

AU - Chen, Yuan Shen

AU - Lin, Chin Jung

AU - Liao, Chun Jen

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