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Post Blast Tympanic Perforations, Clinical and Paraclinical Study at Six Yaounde Hospitals

International Journal of Otolaryngology and Head & Neck Surgery 2024年第2期13卷 126-134页

作者： Andjock Nkouo Yves Christian Lekassa Pierrette Meva’a Biouele Roger Christian Moboung Prudence mindja eko david Djomou Francois Njock Richard Ndjolo Alexis Ophthalmology-Ear-Nose-Throat (ENT)-Stomatology Department Faculty of Medicine and Biomedical Sciences University of Yaounde I Yaounde Cameroon ENT-Cervico-Facial-Surgery (CFS) Service Yaounde General Hospital Yaounde Cameroon ENT-CFS Service Omar Bongo Ondimba Military Teaching Hospital Libreville Gabon ENT-CFS Service Yaounde Central Hospital Yaounde Cameroon ENT-CFS Service Yaounde Teaching Hospital Yaounde Cameroon ENT-CFS Service Douala General Hospital Douala Cameroon

Introduction: Post-blast tympanic perforations represent an entity of traumatic perforations;various mechanisms are at the origin of the latter, and the increase in conflicts and acts of violence are increasing the studies on this subject, but few data are available in our context. Objective: This paper aims to study post-blast tympanic perforations in Yaounde, specifically the epidemiological, clinical, and paraclinical aspects. Methodology: We conducted a descriptive cross-sectional study with retrospective and prospective data collection in six Yaounde hospitals over 63 months from January 1, 2018, to March 31, 2023. All patients with at least one post-blast tympanic perforation were included. Socio-demographic, clinical and paraclinical data were collected on a questionnaire and analysed using SPSS 28 software. Results: We included 124 patients. The prevalence of post-blast tympanic perforations was 0.1% of the consultations in the departments. 71 The average age was 28.6 ± 9.1 years, with extremes ranging from 7 to 49 years. The median consultation time was five days. The most frequent injury circumstances were physical aggression (81.45%) and armed conflict (10.5%). The injury mechanisms were slaps (75%), punches (21.74%) and grenades (4.8%). The main symptoms on admission were hearing loss (63.7%), tinnitus (58.1%) and otalgia (57.3%). The tympanic perforations were unilateral in all cases, the anterior-inferior location was more characteristic, and the deafness was conductive in 58.3% of cases, followed by mixed deafness in 23.3% of cases. Conclusion: Post-blast tympanic perforations are rare in consultation. The population is primarily male and from the second decade of life. The main circumstance is aggression.

关键词： Tympanic Perforation Blast Yaounde

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Predictive Factors for the Occurrence of Pharyngostoma after Laryngectomy and Total Pharyngo-Laryngectomy in Yaounde and Douala

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International Journal of Otolaryngology and Head & Neck Surgery 2023年第1期12卷 44-54页

作者： Andjock Nkouo Yves Christian Bola Siafa Antoine Meva’a Biouele Roger Christian Kambou Fohom Armelle Ngono Ateba Gladys mindja eko david Njock Richard Djomou Francois Ophthalmology-Ear-Nose-Throat (ENT)-Stomatology Department Faculty of Medicine and Biomedical Sciences University of Yaounde I Yaounde Cameroon ENT-Cervico-Facial-Surgery (CFS) Service Yaounde General Hospital Yaounde Cameroon ENT-CFS Service Yaounde Teaching Hospital Yaounde Cameroon ENT-CFS Service Yaounde Central Hospital Yaounde Cameroon Anesthesiology and Reanimation Service Douala General Hospital Douala Cameroon ENT-CFS Service Douala General Hospital Douala Cameroon

Introduction and Aims: Pharyngostoma or pharyngo-cutaneous fistula is a frequent complication of totals laryngectomies and pharyngo-laryngectomies. Its incidence varies from one series to another from 13% to 58%. Multiple risk factors are known. The data from our environment concerning this condition are few. Thus, in order to contribute to the study of this complication in our environment, we proposed to carry out this study, whose objective was to determine the predictive factors for the occurrence of pharyngo-cutaneous fistula or pharyngostoma after total laryngectomy and total pharyngo-laryngectomy in Yaounde and Douala. Patients and Methods: This was a retrospective, cross-sectional, descriptive study conducted in the 5 Ear-Nose-Throat (ENT) department of hospital in the city of Yaounde and Douala. The study took place between January 2009 and December 2020. All patients who underwent total laryngectomy or total pharyngo-laryngectomy with a follow-up of at least one month were included in the study. Incomplete records were excluded, as well as those of patients who died before one month of postoperative follow-up. Results: We selected 48 cases of total laryngectomies (TL) and total pharyngo-laryngectomies (TPL), and identified 37 cases of pharyngostoma. 45 men (93.8%) and 3 women (6.3%). The mean age was 56.4 years with extremes ranging from 37 to 86 years. Smoking and alcoholism were noted in 75% and 79.2% of our patients respectively. A tracheotomy before TL and TPL was found in 41.7%. 100% of the tumours found were T3 or T4. The surgery was in 34 cases (70.8%) TL and in 14 cases (29.2%) TPL. Pharyngostomas were observed in 37 cases among 48 patients operated on, i.e. a frequency of 77.1%. The average delay of appearance was 7 to 14 days. We had spontaneous healing with pressure dressing and nasogastric tube feeding in 35 patients (77.8%) and two patients benefited from pectoralis major flap treatment;the healing time was 21 to 30 days. We did not find any co

关键词： Pharyngostoma Predictive Factors Yaounde and Douala

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A Fatal Arterio-Tracheal Fistula Post-Tracheostomy: A Case Report in a Sub-Saharan Setting

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International Journal of Otolaryngology and Head & Neck Surgery 2022年第5期11卷 277-282页

作者： Yannick Mossus Douglas Banga Nkomo Serge Rowling’s Ngouatna Lutresse Thome Roger Christian Meva’a Biouélé Leonel Christophe Atanga Adèle-Rose Ngo Nyeki david mindja eko François Djomou Alexis Ndjolo ENT Surgeon Department of Ophthalmology ENT and Stomatology Faculty of Medicine and Biomedical Sciences of University of Yaoundé Yaoundé Cameroon Thoracic Surgeon Department of Surgery and Specialties Faculty of Medicine and Pharmaceutical Sciences of University of Dschang Dschang Cameroon Anesthesiologist Resuscitator Department of Surgery and Specialties Faculty of Medicine and Biomedical Sciences of University of Yaoundé Yaoundé Cameroon

Fatal bleeding in patients with tracheostomy is an uncommon incident, in the order of 0.1% to 1% of cases. It is secondary in 70% of cases to the innominate artery fistula in the tracheal lumen. The fistula is generally created after the necrosis of tracheal rings. The incriminated factors are the type of cannula used, the site of tracheal opening below the 3rd tracheal ring, tracheal infections and the proximity of the innominate artery to the tracheal axis. The outcome of this incident is fatal in most cases. We report the case of a 59-year-old patient with a tracheostomy on the 11th day of his admission to intensive care for severe head trauma secondary to a road accident. On the 22nd day of his admission, the occurrence of a cataclysmic and fatal haemorrhage through the tracheostomy tube evoked an arterio-tracheal fistula of the innominate artery.

关键词： Arterio-Tracheal Fistula Innominate Artery Tracheostomy Sub-Saharan Setting Case Report

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A Nasal Localization of Abrikossof Tumor Observed to Yaounde Reference Hospital

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International Journal of Clinical Medicine 2021年第3期12卷 71-76页

作者： Yves Christian Andjock Nkouo Antoine Bola Siafa david mindja eko Winnie Anoumedem Francois Djomou Richard Njock Department of ENT-Ophthalmology-Stomatology Faculty of Medicine and Biomedical Sciences University of Yaoundé I-Cameroon Yaounde Cameroon ENT-Service Yaounde General Hospital-Cameroon Yaounde Cameroon ENT-Service Yaounde Teaching Hospital-Cameroun Yaounde Cameroon ENT-Service Yaounde Central Hospital-Cameroun Yaounde Cameroon ENT-Service Douala General Hospital-Cameroon Douala Cameroon

Background/Aim: Abrikossof’s tumor or granular cell tumor is a rare tumor. The cervicofacial localization is the most common. The aim of this report case was to show a rare case of nasal localization, to the 48-year old patient, treated in poor medical condition. Case presentation: The patient consults late with enormous nasal mass involving for five years. After biopsy and facial CT-scan, a surgical procedure was performed. The evolution was good and the final pathology confirms the diagnosis. The objective of this case report was to show the originality of the presentation and the difficulties for management in poor medical environment. Conclusion: Abrikossof’s tumor is a rare benign tumor but whose preferential development occurs at the expense of the ENT sphere. Large forms remain the preserve of poor environments. The diagnosis is pathological and the treatment is surgical.

关键词： Abrikossof Tumor Nasal Cavity Yaounde

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Endoscopic Endonasal Surgery at the Yaounde General Hospital-Cameroon: Case Study of 30 Operated Patients

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International Journal of Otolaryngology and Head & Neck Surgery 2021年第5期10卷 376-382页

作者： Yves Christian Andjock Nkouo Antoine Bola Siafa david eko mindja Dalil Asmaou Bouba Boda Hé lé ne Ngono Ateba Gladys Richard Njock Francois Djomou Department of ENT-Ophthalmology-Stomatology Faculty of Medicine and Biomedical Sciences University of Yaound&#233 I Yaound&#233 Cameroon ENT-Service Yaounde General Hospital Yaound&#233 Cameroon ENT-Service Yaounde Teaching Hospital Yaound&#233 Cameroon ENT-Service Yaounde Central Hospital Yaound&#233 Cameroon Department of Surgery Faculty of Medicine and Biomedical Sciences University of Yaound&#233 I Yaound&#233 Cameroon ENT-Service Douala General Hospital Douala Cameroon

Introduction: Endoscopic endonasal surgery is currently a validated therapeutic modality in most nasal sinus disorders. In developed countries, this practice is common and sees the indications constantly reviewed;In sub-Saharan Africa, this surgical technique is popularized. The external pathways are morbid and not very functional. In our daily practice at the Yaounde General Hospital (YGH), this technique is still in its infancy. Gradually it’s entering our habits and sees its indications increases. Through this study, we are reporting readily available data from our experience. Objectives: The objective was to study the practice of endoscopic endonasal surgery in our setting. Patients and Method: This was a cross-sectional, descriptive, retrospective study. The site of study was the ear-nose and throat service of Yaounde General Hospital. The study was conducted from January 2013 to December 2020, for an 8 years basis. The sampling was consecutive. We included in this study all patients operated on for a nasal sinus disease by the endoscopic endonasal modality. We excluded patients with incomplete files, as well as those who had a complementary transfacial approach during the same operation. The data were collected on prepared questionnaire. Data analysis is done with ssps 23.0 software. Results: We recruited 30 cases, out of a total of 330 interventions carried out in our department. The prevalence of this surgery in our activity was 9%. Male and female had equal ratio of 50%. The most represented age group was 30 - 40 years (33.3%). All the patients had a facial sinus CT scan, we did not note any anatomical variant as risk. Two patients of our sample size had a history of sinus surgery, treated externally. Chronic maxillary sinusitis was the surgical indication in 36.7%, followed by Killian antro-choanal polyps in 13.3%, nasosinus polyposis in 13.3% and all performed under general anesthesia. Th

关键词： Endonasal Surgery Sinus Pathologies Yaounde

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