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Esophageal perforation

Esophageal perforation is a rare but well-known complication of anterior cervical spine surgery.

Halani et al., performed a systematic review of the literature to evaluate symptomatology, direct causes, repair methods, and associated complications of esophageal injury.

A PubMed search that adhered to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines included relevant clinical studies and case reports (articles written in the English language that included humans as subjects) that reported patients who underwent anterior spinal surgery and sustained some form of esophageal perforation. Available data on clinical presentation, the surgical procedure performed, outcome measures, and other individual variables were abstracted from 1980 through 2015.

The PubMed search yielded 65 articles with 153 patients (mean age 44.7 years; range 14-85 years) who underwent anterior spinal surgery and sustained esophageal perforation, either during surgery or in a delayed fashion. The most common indications for initial anterior cervical spine surgery in these cases were vertebral fracture/dislocation (n = 77), spondylotic myelopathy (n = 15), and nucleus pulposus herniation (n = 10). The most commonly involved spinal levels were C5-6 (n = 51) and C6-7 (n = 39). The most common presenting symptoms included dysphagia (n =63), fever (n = 24), neck swelling (n = 23), and wound leakage (n = 18). The etiology of esophageal perforation included hardware failure (n = 31), hardware erosion (n = 23), and intraoperative injury (n = 14). The imaging modalities used to identify the esophageal perforations included modified contrast dye swallow studies, CT, endoscopy, plain radiography, and MRI. Esophageal repair was most commonly achieved using a modified muscle flap, as well as with primary closure. Outcomes measured in the literature were often defined by the time to oral intake following esophageal repair. Complications included pneumonia (n = 6), mediastinitis (n = 4), osteomyelitis (n = 3), sepsis (n = 3), acute respiratory distress syndrome (n = 2), and recurrent laryngeal nerve damage (n = 1). The mortality rate of esophageal perforation in the analysis was 3.92% (6 of 153 reported patients).

Esophageal perforation after anterior cervical spine surgery is a rare complication. This systematic review demonstrates that these perforations can be stratified into 3 categories based on the timing of symptomatic onset: intraoperative, early postoperative (within 30 days of anterior spinal surgery), and delayed. The most common source of esophageal injury is hardware erosion or migration, each of which may vary in their time to symptomatic manifestation 1).

Following anterior cervical surgery, patients should be closely followed up in the postoperative period for risk of esophageal perforation. Development of symptoms like dysphagia, pneumonia, fever, odynophagia, hoarseness, weight loss, and breathing difficulty in patients with a history of previous anterior cervical surgery should alert us for a possible esophageal injury. Review of the literature revealed that conservative treatment is advocated for early and small esophageal perforations. Surgical treatment may be considered for large esophageal defects 2).

Aslıer et al. reviewed the records of four patients with Pharyngoesophageal perforation (PEP) after anterior cervical spine intervention (ACSI). Symptoms, physical examination findings, imaging results, treatment, and follow-up characteristics were evaluated.

All four patients had undergone ACSI for either cervical trauma or cervical disc herniation with cervical cage reconstruction. Symptoms developed within the first 10 days of the postoperative period in three patients, and in the eighth month in one patient. Mucosal defects were detected during neck exploration in three patients. Reconstruction with primary suture and a local muscle flap was utilized in two patients. Three patients were discharged 3-8 weeks after surgical treatment.

In cases of PEP after ACSI, a good prognosis can be achieved when symptoms are detected in the early period and reconstruction with local muscle flap is applied 3).

Case report

A 58-year-old woman who achieved complete resolution when treated only with debridement and drainage.

Shah et al. find that a supportive approach, surgical management without direct repair, may play a vital role in select patient populations in order to avoid potentially long-term consequences or radical treatments, like esophageal diversion. Decisions regarding direct repair versus debridement and inspection only should be made on a case-by-case basis through a multidisciplinary approach 4).

Halani SH, Baum GR, Riley JP, Pradilla G, Refai D, Rodts GE Jr, Ahmad FU. Esophageal perforation after anterior cervical spine surgery: a systematic review of the literature. J Neurosurg Spine. 2016 Sep;25(3):285-91. doi: 10.3171/2016.1.SPINE15898. Epub 2016 Apr 15. PubMed PMID: 27081708.
Harman F, Kaptanoglu E, Hasturk AE. Esophageal perforation after anterior cervical surgery: a review of the literature for over half a century with a demonstrative case and a proposed novel algorithm. Eur Spine J. 2016 Feb 2. [Epub ahead of print] PubMed PMID: 26842882.
Aslıer M, Doğan E, Ecevit MC, Erdağ TK, Ikiz AO. The treatment of pharyngoesophageal perforation following anterior cervical spine intervention. Auris Nasus Larynx. 2015 Nov 16. pii: S0385-8146(15)00233-3. doi: 10.1016/j.anl.2015.10.008. [Epub ahead of print] PubMed PMID: 26597346.
Shah SS, Burks SS, Nguyen DM, Sargi ZB, Stephens-McDonnough J, Wang MY. Spontaneous healing of a shredded esophagus after ACDF without direct repair. Acta Neurochir (Wien). 2018 Feb;160(2):413-417. doi: 10.1007/s00701-017-3414-7. Epub 2017 Dec 16. PubMed PMID: 29247392.
esophageal_perforation.txt · Last modified: 2018/01/25 13:21 by administrador