Clin Exp Otorhinolaryngol.  2021 Aug;14(3):347-354. 10.21053/ceo.2020.02257.

Type 2 Diabetes Mellitus Increases Peritonsillar Abscess Susceptibility: Real-World Evidence

Affiliations
  • 1Department of Otolaryngology-Head and Neck Surgery, Chang Gung Memorial Hospital, Taoyuan, Taiwan
  • 2Department of Otolaryngology-Head and Neck Surgery, Chang Gung Memorial Hospital, Chiayi, Taiwan
  • 3Health Information and Epidemiology Laboratory of Chang Gung Memorial Hospital, Chiayi, Taiwan
  • 4Graduate Institute of Clinical Medical Sciences, College of Medicine, Chang Gung University, Taoyuan, Taiwan
  • 5Faculty of Medicine, College of Medicine, Chang Gung University, Taoyuan, Taiwan
  • 6Department of Traditional Chinese Medicine, Chang Gung Memorial Hospital, Chiayi, Taiwan
  • 7School of Traditional Chinese Medicine, College of Medicine, Chang Gung University, Taoyuan, Taiwan

Abstract


Objectives
. Type 2 diabetes mellitus (T2DM) is a risk factor for deep neck infection (DNI) and leads to complications and poor outcomes. Our study aimed to investigate the risk, prognosis, and complications of peritonsillar abscess (PTA) in patients with T2DM.
Methods
. We extracted data of patients newly diagnosed as having T2DM between January 2000 and December 2011 from Taiwan’s National Health Insurance Research Database. These patients were matched with patients without T2DM, and PTA incidence was compared between both cohorts.
Results
. In total, 67,852 patients with and 135,704 patients without T2DM were enrolled. PTA incidence was significantly higher in patients with T2DM (incidence rate ratio, 1.91; P<0.001); moreover, PTA incidence was higher at 1 to 5 years after T2DM diagnosis than at <1 and >5 years after T2DM diagnosis. Cox regression analysis showed that patients with T2DM had an approximately 2-fold higher PTA risk (adjusted hazard ratio [aHR]: 1.89, P<0.001). Patients with a higher adapted Diabetes Complications Severity Index (aDCSI) had higher PTA risk than those with a lower aDCSI (aHRs: 2.17 for aDCSI ≥1, P=0.006 and 1.81 for aDCSI=0, P=0.002). T2DM patients with a high aDCSI (≥1) had a nonsignificantly longer hospitalization duration and a higher rate of DNI complications than did those with a low aDCSI (=0).
Conclusion
. In patients with T2DM, PTA incidence was relatively high, and it increased with T2DM severity. Moreover, T2DM patients should be particularly careful about PTA within 1 to 5 years after the diagnosis, and physicians should keep in mind that the prognosis of PTA was correlated with T2DM severity.

Keyword

Type 2 Diabetes Mellitus; Hyperglycemia; Peritonsillar Abscess; Quinsy; Diabetes Complications Severity Index
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