|LETTER TO THE EDITOR
|Year : 2016 | Volume
| Issue : 3 | Page : 254-255
Paralytic ileus after bilateral intravitreal injection of bevacizumab
Young Gyun Kim1, Seung Jun Lee2, Sang Beom Han2, Moosang Kim2
1 Department of Ophthalmology School of Medicine, Kyung Hee University Hospital at Gangdong, Kyung Hee University, Seoul, South Korea
2 Department of Ophthalmology, School of Medicine, Kangwon National University, Chuncheon, South Korea
|Date of Web Publication||4-May-2016|
Prof. Moosang Kim
Kangwon National University Hospital, 156 Baengnyeong-ro, Chuncheon, Gangwon 200-722
Source of Support: None, Conflict of Interest: None
|How to cite this article:|
Kim YG, Lee SJ, Han SB, Kim M. Paralytic ileus after bilateral intravitreal injection of bevacizumab. Indian J Ophthalmol 2016;64:254-5
|How to cite this URL:|
Kim YG, Lee SJ, Han SB, Kim M. Paralytic ileus after bilateral intravitreal injection of bevacizumab. Indian J Ophthalmol [serial online] 2016 [cited 2020 Aug 4];64:254-5. Available from: http://www.ijo.in/text.asp?2016/64/3/254/181736
There are few reports of systemic adverse events associated with intravitreal injection of bevacizumab (IVB). Rare systemic events include formed visual hallucinations, erectile dysfunction, and acute decrease in kidney function. We recently experienced a case of paralytic ileus after bilateral IVB, thus herein report the case.
A 47-year-old male patient was screened for diabetic retinopathy. He was admitted to the department of internal medicine with uncontrolled Type 2 diabetes mellitus. The blood sugar test was 496 mg/dL and hemoglobin A1c was 13.6%. At the initial ophthalmic examination, his corrected visual acuity was 20/40 in the right eye and 20/30 in the left eye. The intraocular pressure was 18 mmHg in the right eye and 19 mmHg in the left eye. Slit lamp examination revealed no abnormal findings in anterior segment while the funduscopic examination showed microaneurysms and dot hemorrhages in four quadrants. Fluorescein angiography revealed the neovascularization with leakage of dye in both eyes. The IVB (1.25 mg/0.05 mL) was done in both eyes in the same day with patient's request of prompt treatment. Panretinal photocoagulation was scheduled in both eyes after 2 days; however, the laser photocoagulation could not be done because of patient's severe abdominal pain with vomiting and abdominal distension.
An erect abdominal X-ray demonstrated excess air and niveau in the intestine [Figure 1]. A computed tomography sagittal scan revealed prominent dilated and air-filled images of the intestinal wall, without apparent lesions [Figure 2]. Paralytic ileus was diagnosed. Paralytic ileus had improved after conservative treatment with ileus tubing, without surgery.
|Figure 1: Erect abdominal X-ray showing excess air and niveau in the intestine|
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|Figure 2: Computed tomography sagittal scan showing prominent dilated and air-filled images of the intestinal wall without apparent lesions|
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In our case, the patient had no history of gastrointestinal disorder. Matsuyama et al. reported that the plasma vascular endothelial growth factor (VEGF) level decreased markedly as early as 1 day after IVB in patients with diabetic retinopathy. Thus, it is possible that systemic side effects can develop after IVB as well as after intravenous bevacizumab. Decreased plasma VEGF resulted in the decreased production of nitric oxide, a known vasodilator. Therefore, decreased VEGF production can cause vasoconstriction and reduce the supply of gastrointestinal blood flow. Moreover, the patient received bilateral IVB, which might cause the higher plasma VEGF level than in the case of unilateral IVB.
In conclusion, we report on a patient with paralytic ileus after bilateral IVB. In spite of very low incidences, the physicians should aware of the gastrointestinal disorders such as paralytic ileus following bilateral IVB.
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Conflicts of interest
There are no conflicts of interest.
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[Figure 1], [Figure 2]