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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

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

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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

Peripheral Facial Paralysis in People Living with Human Immunodeficiency Virus (HIV)

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International Journal of Otolaryngology and Head & Neck Surgery 2024年第3期13卷 168-177页

作者： Lekassa Pierrette andjock nkouo yves christian Mouinga Abayi Alex Davy Assoumou Ada Prudence BiyeNgoghe Prudence Ngoma Manfoumbi Albert Brice Manfoumbi Manfoumbi Kévin Dimitri Miloundja Jerome Nzouba Léon ENT and CFS Department Omar Bongo Ondimba Army Instruction Hospital Libreville Gabon Department of Surgery and Surgical Specialties University of Health Sciences Owendo Gabon ENT and CFS Department Yaound&#233 General Hospital Yaound&#233 Cameroon Ophthalmology Department Omar Bongo Ondimba Army Instruction Hospital Libreville Gabon Ophthalmology Department Owendo University Hospital Center Libreville Gabon Internal Medicine Department Omar Bongo Ondimba Army Instruction Hospital Libreville Gabon

Introduction: Peripheral facial palsy (PFP) is a frequent reason for ENT consultations. It is a common complication of human immunodeficiency virus (HIV) infection. The aim of this study was to describe the diagnostic and therapeutic aspects and to establish the correlation between PFP and HIV in our context. Patients and Method: This was a retrospective descriptive study conducted in the ENT and CFS department of the HIAOBO, covering the medical records of patients hospitalized for taking a PFP on HIV terrain from January 1, 2016 to December 31, 2020. Results: The study involved 17 patients, 10 men (59%) and 7 women (41%), a sex ratio of 1.4. The average age was 39 years with the extremes of 11 and 69 years. Shopkeepers reported 9 cases (53%). The reason for consultation was facial asymmetry in 11 cases (100%). The delay in consultation during the first week was 82.4%. Clinical signs were unilateral facial asymmetry, the opening of the palpebral fissure and lacrimation. All patients received medical treatment for PFP and HIV. Evolution was favorable, with complete recovery and no sequelae in 82.4% of cases. Surgery was performed in one case. Conclusion: PFPs are common in HIV infection. Diagnosis is clinical and management is multidisciplinary. Progression depends on the length of time taken to treat the disease.

关键词： Peripheral Facial Paralysis HIV HIAOBO

Preliminary Results of Cochlear Implantation in Underdeveloped Countries: The Experience of Cameroon

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International Journal of Otolaryngology and Head & Neck Surgery 2023年第4期12卷 232-249页

作者： andjock nkouo yves christian Lekassa Pierrette Meva’a Biouele Roger christian Kuifo Cedric Nanci Eliane Ngono Ateba Gladys Abdelaziz Raji Njock Richard Djomou Francois 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 Miltary Teaching Hospital Libreville Gabon ENT-CFS Service Yaounde Central Hospital Yaounde Cameroon ENT-CFS Service Douala General Hospital Douala Cameroon Anesthesiology and Reanimation Service Douala General Hospital Douala Cameroon ENT-CFS Mohammed VI Marrakech Teaching Hospital Marrakecch Morroco ENT-CFS Service Yaounde Teaching Hospital Yaounde Cameroon

Introduction: Deafness, is the most common neurosensory deficit in humans. The origins can be diverse: congenital or acquired and sometimes of an etiology that is difficult to specify. The main risk is social exclusion. The advent of cochlear implants is a solution of choice for severe to profound sensorineural hearing loss. This innovative therapeutic modality is new to Cameroon, so we proposed to evaluate the preliminary results of cochlear implantation at the General Hospitals of Yaoundé and Douala, by addressing the epidemiological, clinical and paraclinical, surgical, and prosthetic aspects. Methodology: We conducted a descriptive and prospective cross-sectional study over a period of two years and eight months, from January 2019 to 31 August 2021. The study sites were: the general hospitals of Yaounde and Douala, as well as the private practices of speech therapists in the said cities. We collected socio-demographic, clinical, paraclinical variables and data on surgical, prosthetic and speech therapy management which were processed. Results: We recruited 15 cochlear implant patients, one adult and 14 children. The sex ratio was 1.14 in favour of girls, the average age of the child population was 4.9 years and one subject was 57 years old. These children were mostly in school (85.7%) and mostly (86.7%) living in urban areas. The average period of sound deprivation was 3.9 years. The deafness of the children was 100% prelingual and the acquired cause was evoked in front of the risk factors (prematurity, low birth weight, neonatal asphyxia, jaundice, meningitis, neuromalaria) for 57.7% of them. The adult deafness was postlingual and post-traumatic. The associated clinical conditions found in 4 (26.8%) of the patients were an ocular refraction disorder, a chronic otitis media sequelae, cerebral palsy and minor head trauma injuries. There was no syndromic or malformative picture. The deafness was bilateral in all cases, asymmetric in 22.2% of cases and severe to pr

关键词： Cochlear Implants Deafness Cameroon

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