1.Neurologic Complications in Percutaneous Nephrolithotomy.
Abbas BASIRI ; Mohammad Hossein SOLTANI ; Mohammadreza KAMRANMANESH ; Ali TABIBI ; Seyed Amir MOHSEN ZIAEE ; Akbar NOURALIZADEH ; Farzaneh SHARIFIAGHDAS ; Mahtab POORZAMANI ; Babak GHARAEI ; Ardalan OZHAND ; Alireza LASHAY ; Ali AHANIAN ; Alireza AMINSHARIFI ; Mehrdad Mohammadi SICHANI ; Mohammad ASL-ZARE ; Faramarz Mohammad ALI BEIGI ; Vahid NAJJARAN ; Mehdi ABEDINZADEH ; Mohammad Masoud NIKKAR
Korean Journal of Urology 2013;54(3):172-176
PURPOSE: Percutaneous nephrolithotomy (PCNL) has been the preferred procedure for the removal of large renal stones in Iran since 1990. Recently, we encountered a series of devastating neurologic complications during PCNL, including paraplegia and hemiplegia. There are several reports of neurologic complications following PCNL owing to paradoxical air emboli, but there are no reports of paraplegia following PCNL. MATERIALS AND METHODS: We retrospectively reviewed the medical records of patients who had undergone PCNL in 13 different endourologic centers and retrieved data related to neurologic complications after PCNL, including coma, paraplegia, hemiplegia, and quadriplegia. RESULTS: The total number of PCNL procedures in these 13 centers was 30,666. Among these procedures, 11 cases were complicated by neurologic events, and four of these cases experienced paraplegia. All events happened with the patient in the prone position with the use of general anesthesia and in the presence of air injection. There were no reports of neurologic complications in PCNL procedures performed with the patient under general anesthesia and in the prone position and with contrast injection. CONCLUSIONS: It can be assumed that using room air to opacify the collecting system played a major role in the occurrence of these complications. Likewise, the prone position and general anesthesia may predispose to these events in the presence of air injection.
Anesthesia, General
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Coma
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Hemiplegia
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Humans
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Iran
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Medical Records
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Nephrostomy, Percutaneous
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Neurologic Manifestations
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Paraplegia
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Prone Position
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Retrospective Studies
2.Comparison of antioxidant status between pilots and non-flight staff of the army force: pilots may need more vitamin C.
Elham Amiri TALEGHANI ; Gity SOTOUDEH ; Kazem AMINI ; Mahboubeh Heidari ARAGHI ; Babak MOHAMMADI ; Haleh Sadrzadeh YEGANEH
Biomedical and Environmental Sciences 2014;27(5):371-377
OBJECTIVETo compare the blood antioxidant levels and dietary antioxidant intakes between pilots and non-flight staff of the Army Force in The Islamic Republic of Iran.
METHODSThirty-seven helicopter pilots and 40 non-flight staff were included in this study. Their general characteristics were recorded and their weight, height, and waist circumference were measured. Their daily intake of energy and nutrients including antioxidants was assessed using a semi-quantitative food frequency questionnaire. Serum levels of total antioxidant capacity (TAC), malondialdehyde (MDA), and glutathione reductase (GR), glutathione peroxidase (GPx), superoxide dismutase (SOD), and catalase (CAT) in red blood cells were also measured.
RESULTSThe median erythrocytes SOD, serum MDA level and the mean serum level of TAC and erythrocytes GPx were significantly higher in pilots than in non-flight staff. The median vitamin C intake was significantly lower in pilots than in non-flight staff. The serum MDA levels were similar in non-flight staff and pilots when their vitamin C intake was ⋜168 mg and significantly lower in non-flight staff than in pilots when their vitamin C intake was >168 mg.
CONCLUSIONThe serum MDA level is lower in non-flight staff than in pilots when their vitamin C intake level is high, indicating that pilots need more vitamin C than non-flight staff.
Adult ; Aerospace Medicine ; Antioxidants ; metabolism ; Ascorbic Acid ; administration & dosage ; Cross-Sectional Studies ; Diet ; Humans ; Male ; Middle Aged ; Military Personnel ; statistics & numerical data