Introduction
Mucormycosis, caused by organisms in the Mucoraceae family, is a rare infection that frequently affects the head and neck region [1]. And if the infection involves the nasal cavities, paranasal sinuses, eyes, and brain, it is called rhinocerebral mucormycosis, or rhino-orbito-cerebral mucormycosis (ROCM) [2]. The spores first infect the primary site, but they may then spread to the paranasal sinuses, the orbits, the skull base, and the brain as the mucor fungus can invade vessels, especially in high-risk patients. The major risk factors for invasive mucormycosis are uncontrolled diabetes, organ or bone marrow transplantation, treatment with corticosteroids, neutropenia, trauma, burns, and malignant hematologic disorders [3-6].
Bell’s palsy is the most common type of acute idiopathic peripheral facial palsy, and current guidelines recommend high-dose corticosteroid therapy [7,8]. In addition to steroid medication, acupuncture is commonly used to treat Bell’s palsy in Eastern Asia [9,10]. with recent Korean national health insurance data showing that 98.3% of patients received acupuncture-based treatment [11]. However, there is a lack of consensus on acupuncture therapy for Bell’s palsy, especially for patients with comorbid medical conditions. Therefore, more investigation should be conducted on the potential risks that might arise after the procedure in high-risk patients.
In this manner, we present a patient with fatal ROCM that occurred after acupuncture therapy for the treatment of Bell’s palsy with multiple comorbid medical conditions.
Case
A seventy-five-year-old female with diabetes and liver cirrhosis was referred to our clinic with three days of progressive right facial swelling and pain. She had a history of treatment for Bell’s palsy one week before, with three times of acupuncture. The initial physical examination showed small black eschars on the right cheek, with black necrotic skin lesions from the lower lip to the eyebrow (Fig. 1A). As the extent of the lesion was rapidly increasing within a few hours, she was emergently admitted for rapid diagnostic work up and treatment.
A contrast-enhanced CT scan of the head and neck was performed, and it showed a right anterior maxillary wall defect and hemifacial cellulitis with air formation without definitive abscess formation (Fig. 1C and D). Considering disease progression, empirical intravenous antibiotics were initiated with piperacillin/tazobactam, clindamycin, and vancomycin, and surgical debridement was carried out at the same time. Extensive debridement was performed until fresh tissue was seen, and most of the nasal mucosa, partial nasal bone, and partial anterior maxilla were resected and drilled out as they were found to be necrotic (Fig. 1B). The surgical defect in her facial lesion was initially planned to be reconstructed with a secondary surgery, such as an anterolateral free flap, after complete recovery from the infection, depending on the extent of the defect.
The pathologic diagnosis was confirmed as invasive mucormycosis (Fig. 2), and intravenous amphotericin B liposome (ambisome) was added to the patient’s treatment regimen. Despite management, her mental status changed to confusion with left-eye pupil dilation on the third day of admission. Brain magnetic resonance imaging showed multifocal acute ischemic lesions near the right middle cranial artery and the left corona radiata. In addition, both cavernous sinuses and internal carotid arteries appeared to be involved with invasive mucormycosis (Fig. 1E and F). Given the patient’s anticipated fatal prognosis due to disease progression and brain infarction, her family chose not to pursue further surgical interventions or diagnostic procedures. The patient developed septic shock from the progressive infection, exhibited unstable vital signs and a loss of spontaneous respiration, and passed away on the sixth day of hospitalization.
Discussion
We presented a patient with diabetes mellitus and liver cirrhosis who died from being infected by invasive mucormycosis that began from the facial skin after acupuncture, which had not been reported in previous cases.
The treatment of invasive mucormycosis includes early surgical debridement with pathologic confirmation and initiation of antifungal therapy. In addition, management of any underlying disease is crucial for successful treatment outcomes [5]. In this case, we conducted surgical debridement and administered appropriate medical treatments, including intravenous antifungal therapy. Despite our efforts, we were unable to halt the progression of the aggressive infection, which is recognized as an indicator of poor prognosis in cases of ROCM.
Acupuncture has been widely performed for the treatment of Bell’s palsy, with some studies supporting its efficacy [12,13]. Also, it is considered relatively safe as its prevalence rate of side effect has been reported to be 3.7% [14]. But in actual practice, as acupuncture needles are inserted deep into the muscle repeatedly during the procedure, it has the potential to be infected if the needles are used within an insufficiently sterilized environment. A previous systemic review by Zhang, et al. [15] reported that most infectious complications after acupuncture were caused by septic procedures induced by an uneducated acupuncture operator. Also, it is well known that uncontrolled diabetes, penetrating trauma or burns, immunodeficiency, and hematological malignancies are risk factors for infection after acupuncture [2,5,6,15]. Therefore, acupuncture therapy must be carefully considered in patients with underlying medical disorders, and meticulous follow-up is required if the procedure is performed.
In conclusion, we presented a case with ROCM that arose after acupuncture for Bell’s palsy, which was rapidly progressive and destructive. Although acupuncture therapy has been reported to have few side effects, care should be taken when performing acupuncture in patients with underlying diseases that cause immunosuppression.
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