Σφακιανάκης Αλέξανδρος
ΩτοΡινοΛαρυγγολόγος
Αναπαύσεως 5 Άγιος Νικόλαος
Κρήτη 72100
00302841026182
00306932607174
alsfakia@gmail.com

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Δευτέρα 17 Μαΐου 2021

Salvaging Cochlear Implant After Suspected Biofilm Infection: Our Experience

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Abstract

We describe a novel procedure using betaine surfactant and polyhexanide for biofilm in cochlear implants. Early intervention along with wound debridement, double layer vascularized flap and rifampicin helps in salvaging the implant. Leaving the array in cochlea avoids fibrosis and can be considered for cochlear implantation at a later stage. This novel procedure significantly limits morbidity and repeated surgeries.

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Correlating Nasal Patency with Obstructive Sleep Apnea in Obese Versus Non-Obese Patients: An Acoustic Rhinometry Study

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Abstract

The aim of this study was to correlate nasal patency with Obstructive Sleep Apnea (OSA) in obese versus non-obese patients using Acoustic Rhinometry (AR). Eccovision® Acoustic Rhinometer equipment was used to compare nasal cross-sectional areas (CSA1,2 & 3 corresponding to nasal valve region, anterior portion of middle & inferior turbinate and posterior portion of middle & inferior turbinate respectively) and volume in age and gender matched sample divided into three groups: Group 1: Non-obese patients without OSA (25 patients, 13 males and 12 females); Group 2: Non-obese patients with OSA (25 patients, 14 males and 11 females); Group 3: Obese patients with OSA (25 patients, 13 males and 12 females). The mean nasal cross-sectional areas and volume were lower in Group 2 compared to Group 1 but statistically non-significant (P value > 0.05 for all). The mean nasal cross-sectional areas and volume were significantly lower in Group 3 as compared to Groups 1 and 2 (P value < 0.05 for all). BMI showed a statistically significant positive (direct) correlation with AHI in Groups 2 and 3 (P value < 0.05 for both). The nasal cross-sectional areas and volume showed a statistically significant negative (inverse) correlation with AHI in Groups 2 and 3 (P value < 0.05 for both). OSA diagnosed cases with high BMI may not present with an obvious nasal obstruction; the nasal patency may still be compromised due to reduced nasal lumen secondary to obesity. AR, being cost-effective and non-invasive modality; is advocated to evaluate pre-treatment nasal patency, as well as follow up evaluation to ascertain improvement after the intervention.

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Maxillofacial Infections in Covid-19 Era—Actuality or the Unforeseen: 2 Case Reports

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Abstract

In this era of the COVID-19 pandemic, patients with diabetes mellitus are at an increased risk of secondary infections and systemic complications. Here we are reporting 2 cases in post-covid-19 patients, who were uncontrolled type 2 diabetics and diagnosed with fungal osteomyelitis and mucormycosis respectively. Both patients were treated surgically immediately.

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Endoscopic endonasal surgery during COVID-19 pandemic: management guideline

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Neurocirugia (Astur). 2021 Apr 20. doi: 10.1016/j.neucir.2021.03.007. Online ahead of print.

ABSTRACT

Current SARS-CoV-2 coronavirus pandemic is challenging medical and surgical activities. Specifically, within neurosurgery, endoscopic endonasal approaches pose a high risk of contagion for healthcare personnel involved in it. Initially, the recommendation was to avoid such surgeries. However, the pandemic has dragged on and new solutions must be proposed to continue carrying out these approaches safely. Given the lack of established protocols, we propose the following one, which concisely establishes the measures to be taken in both urgent and scheduled surgery. In addition, a new protection-aspiration device (Maskpirator) is described.

PMID:33994775 | PMC:PMC8057759 | DOI:10.1016/j.neucir.2021.03.007

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Persistent sciatic artery: A case report and literature review

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Neurocirugia (Astur). 2021 May 13:S1130-1473(21)00048-8. doi: 10.1016/j.neucir.2021.03.006. Online ahead of print.

ABSTRACT

The persistent sciatic artery is an uncommon disease, considered an axial congenital vascular malformation due to the lack of involution of the sciatic artery during embryonic development. It may be associated with abnormalities in the development of the iliac, common femoral and superficial femoral arteries. Patients may be asymptomatic, or they could present chronic pain, such as sciatic neuralgia, caused by nerve damage, since it is close to the abnormal persistent vessel, or due to ischemic pain, as a result of a thrombosis or embolism of an aneurysm, which could compromise the viability of the limb.

PMID:33994283 | DOI:10.1016/j.neucir.2021.03.006

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Intramedullary pancreatic adenocarcinoma metastasis: The first case in literature

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Neurocirugia (Astur). 2021 May 13:S1130-1473(21)00046-4. doi: 10.1016/j.neucir.2021.03.005. Online ahead of print.

ABSTRACT

BACKGROUND: Pancreatic cancer is a common gastrointestinal malignancy, and is often associated with a poor prognosis. Although liver is generally seen as a distant metastasis point, it has been shown that it can metastasize to any organ, especially the gastrointestinal tract, and approximately 0.3% of metastases are observed in spinal cord.

CASE DESCRIPTION: We report a 36-year-old woman with a prior history of pancreatic adenocarcinoma who presented to us with a thoracic intramedullary lesion and recent onset of neurological deficits. She underwent surgery with histological confirmation of a diagnosis of metastatic adenocarcinoma.

CONCLUSION: To our knowledge there is no prior report of pure intramedullary spinal cord metastasis from a pancreatic adenocarcinoma in the literature. We report the present patien t in view of the rarity of intramedullary spinal cord metastasis and its clinical significance. Although intramedullary metastases are rare, they should be investigated in every patient with malignancy and progressive neurological deficit. While its general prognosis is poor regardless of the type of treatment, early diagnosis and treatment is important in terms of quality of life and survival.

PMID:33994284 | DOI:10.1016/j.neucir.2021.03.005

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Perigeniculate arachnoid cysts and CSF fistulae of the fallopian canal: Histopathologic correlates of a rare clinical entity

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World J Otorhinolaryngol Head Neck Surg. 2021 Jan 24;7(2):71-81. doi: 10.1016/j.wjorl.2020.12.005. eCollection 2021 Apr.

ABSTRACT

Cerebrospinal fluid (CSF) fistulae originating from the fallopian canal of the facial nerve is hypothesized to arise due to atypical patterns of subarachnoid space extension into the geniculate ganglion or more distal regions along the intratemporal course of the facial nerve, but its pathogenesis remains poorly understood. Although a rare etiology of CSF fistulae of the temporal bone, there are significant clinical ramifications due to the risk of recurrent meningitis, difficulty in identifying the anatomic location of the CSF leak, and technical challenges associated with surgical repair. We present three clinical cases of arachnoid cysts within the geniculate fossa with or without CSF fistulization and provide histopathologic correlates of this rare clinical phenomenon from a human temporal bone collection. The pediatric and adult patients presented suggest differential pathophysiologic mechanisms associated with CSF fistulae. Temporal bone histology reveals atypical patterns of subarachnoid space extension in the fallopian canal that may underlie arachnoid cyst formation and overt CSF leak from the geniculate region.

PMID:33997715 | PMC:PMC8103539 | DOI:10.1016/j.wjorl.2020.12.005

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