Diabetic Ketoacidosis and Reversible Sepsis-Induced Cardiomyopathy Triggered by a Periapical Abscess: A Case Study
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By
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Jixia Jin
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Lian Liao
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Yinhang Ren
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Guiyun Li
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Yuyang Qiu
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July 15, 2026
Clinical Scorecard: Diabetic Ketoacidosis and Reversible Sepsis-Induced Cardiomyopathy Triggered by a Periapical Abscess: A Case Study
At a Glance
| Category | Detail |
| Condition | Diabetic Ketoacidosis (DKA) |
| Key Mechanisms | Sepsis-induced cardiomyopathy (SICM) due to odontogenic infection |
| Target Population | Patients with poorly controlled diabetes mellitus |
| Care Setting | Emergency department and inpatient care |
Key Highlights
- Odontogenic infections can precipitate severe DKA and sepsis.
- The patient exhibited severe metabolic acidosis and SICM.
- Early multidisciplinary management led to rapid clinical improvement.
- Complete recovery of cardiac function was observed by day 14.
- Thorough oral examination is critical in evaluating DKA and sepsis.
Guideline-Based Recommendations
Diagnosis
- Confirm DKA with laboratory findings: hyperglycemia, ketonemia, and metabolic acidosis.
- Assess for sepsis using leukopenia and elevated procalcitonin levels.
Management
- Implement sepsis bundle including early empiric antibiotics and aggressive fluid resuscitation.
- Administer intravenous insulin for DKA management.
Monitoring & Follow-up
- Monitor metabolic acidosis resolution through serial arterial blood gases.
- Evaluate cardiac function with echocardiography.
Risks
- Patients with diabetes are at increased risk for severe infections and sepsis.
- Poor oral hygiene and uncontrolled diabetes are significant predisposing factors.
Patient & Prescribing Data
57-year-old female with poorly controlled type 2 diabetes
Early use of amoxicillin-clavulanate and tinidazole was effective.
Clinical Best Practices
- Conduct thorough physical examinations, including oral cavity inspection.
- Recognize the bidirectional relationship between diabetes and infections.
- Implement multidisciplinary approaches for managing DKA and sepsis.
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