Evaluation of The Three-Dimensional Endoscopy in Basic and Extended Nasal Procedures: A Clinical and Cadaveric Study.

 The three-dimensional (3D) endoscope is considered a new surgical tool used in different approaches in intranasal and anterior skull base surgical procedures. There are many advantages of 3D over two-dimensional (2D) endoscopy that have been demonstrated in clinical applications, surgical training, and different experimental studies.  To show the difference between using the 3D and 2D endoscopes during endonasal and anterior skull base surgery and its importance.

Nasal Reactivity After Radiofrequency Ablation of Peripheral Branches of Posterior Nasal Nerve.

Objective: Transection or ablation of the posterior nasal nerve (TRPN) has been described as an adjunctive tool to reduce the symptoms of intractable allergic rhinitis (AR). The procedure, however, requires surgical skill and carries the risk of bleeding from the sphenopalatine artery. The aim of the present study is to describe radiofrequency ablation of the peripheral branches of the posterior nasal nerves within the inferior turbinates (RAPN) as an effective easier alternative to TRPN.

Fat enhanced leukocyte-platelet-rich fibrin versus fascia lata in endoscopic reconstruction of CSF leaks.

Purpose: The aim of this study was to use a new biological active fat enhanced leukocyte-platelet-rich fibrin membrane (L-PRF) for skull base defect reconstruction and compare its validity and reliability with the time-honored fascia lata.

Methods: This prospective study was conducted on 48 patients with spontaneous CSF leaks who were divided into 2 matched groups by stratified randomization, 24 patients in each group. In group A we performed multilayer repair using fat enhanced L-PRF membrane.

Efficacy of pentasodium diethylenetriamine pentaacetate in ameliorating anosmia post COVID-19.

Background: COVID-19 has been frequently demonstrated to be associated with anosmia. Calcium cations are a mainstay in the transmission of odor. One of their documented effects is feedback inhibition.

Large tricuspid valve thrombus complicating COVID-19 pneumonia.

Background: Hemostatic disturbances with coronavirus disease 2019 (COVID-19) can predispose to tricuspid and right heart thrombi in very rare instances.

Aim: We describe a 29-year-old female patient without a previous cause of thrombosis who developed large tricuspid valve thrombus (TVT) and moderate-to-severe tricuspid regurgitation (TR) during the course of COVID-19 infection.

Materials And Methods: Persistant fever and tachycardia with thrombocytopenia and high d-dimer increased the index of suspicion.