Browsing by Author "Guamán Roldán, Hugo Xavier"

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Colgajo lingual de base anterior para cierre de fistula palatina anterior
(2020-02-11) Díaz Vintimilla, Martín Fabián; Campanella Maldonado, Sandra Camila; Guamán Roldán, Hugo Xavier
Abstract: Oro-nasal fistulas are the most common complication after the failed repair of the primary cleft palate, creating functional and emotional problems to people with this issue. Large fistulas are difficult to close and may require flaps with great length, width and depth, the anterior base lingual flap is one of the most successful options for fistula closure due to the similarities with local tissues, great vascularization and significantly lower fistula recurrence rates of the after surgery.
Diagnóstico epidemiológico y prioridades de salud en el Area N° 6 Paute
(2004) Barzallo Sardi, Vinicio Egidio; Guamán Roldán, Hugo Xavier; Cobos Carrera, Diego Fernando
Fractura de seno frontal: reporte de caso clínico
(Universidad de Cuenca, 2024-09-04) Argudo Velasteguí, Marilyn Dayana; Bermeo Cabrera, Jeny Maricela; Guamán Roldán, Hugo Xavier
Introduction: Fractures of the frontal sinus, representing 5% to 15% of traumatic facial injuries. Non-contrast CT is essential for diagnosis. Classified into five types according to their trajectory, the choice of surgical treatment is based on factors such as location, displacement, integrity of the frontal sinus outflow tract and associated injuries. The goals of surgical intervention include treating cerebrospinal fluid leaks, protecting intracranial structures, and preventing late complications such as meningitis and frontal osteomyelitis. Clinical case report: 26-year-old male patient, referred to the Vicente Corral Moscoso Hospital for evaluation and management of facial trauma. Seven days after admission, under balanced general anesthesia, the surgical procedure was performed, which consisted of reduction plus fixation with frontal mesh plus five screws of the fracture of the anterior wall of the right frontal sinus. Conclusions: A multidisciplinary approach with neurosurgeon and maxillofacial surgeon is suggested to treat upper facial fractures. Current treatment considers posterior table involvement, frontal sinus outflow tract patency, and anterior table displacement. Early management is prioritized to protect intracranial structures, restore frontal sinus function, and prevent complications.
Manejo quirúrgico de plagiocefalia anterior: reporte de caso
(Universidad de Cuenca, 2021-10-13) Astudillo Araujo, Miguel Sebastian; Guamán Roldán, Hugo Xavier
Craniosynostosis is the premature, abnormal, and non-physiological fusion of one or more cranial sutures. Its etiology can be multifactorial and genetic factors, bone abnormalities or environmental factors may be involved. Among the different types of craniosynostosis we can find anterior plagiocephaly, which generally corresponds to a non-syndromic craniosynostosis and which can affect the patient in a physiological and aesthetic way. Hemi-coronal sutures are affected in this condition. The treatment will depend on each case, although many times it is usually the surgical choice in order to prevent functional deterioration and improve the facial and cranial appearance.
Manejo quirúrgico para corrección de paciente clase II dentoesqueletal: reporte de caso
(Universidad de Cuenca. Facultad de Odontología, 2025-10-14) Macancela González, Mayra Alexandra; Guamán Roldán, Hugo Xavier
Class II malocclusions represent the majority of cases treated in orthodontics. In some instances, they can be corrected with orthopedic and orthodontic treatments; however, in specific cases where the skeletal discrepancy is severe, a combined approach with orthognathic surgery is required. The objective is to improve function, occlusion, and harmonize the facial profile. Below is presented the clinical case of a 26-year-old female patient with a dentoskeletal Class II condition, who had previously initiated orthodontic treatment and was referred by the orthodontist to the Oral and Maxillofacial Surgery specialist for evaluation. It was concluded that she was a suitable candidate for dentoskeletal correction surgery. To achieve this, a series of steps were undertaken, starting with presurgical planning using study models and tomographic imaging, culminating in the performance of a minimally invasive orthognathic surgery involving mandibular advancement and mentoplasty. This approach resulted in an uncomplicated recovery, reduced hospital stay, and satisfactory functional and aesthetic outcomes for the patient.
Reconstrucción maxilar con implantes subperiósticos personalizados. A propósito de un caso clínico
(Universidad de Cuenca, 2025-09-18) Guartazaca Guartazaca, Belkis Gabriela; Taipe Bautista, Diego Fabricio; Guamán Roldán, Hugo Xavier
Introduction: Surgical reconstruction and subsequent rehabilitation in patients with severe atrophies or significant bone defects in the maxilla represent a complex challenge in maxillofacial surgery. In the case of patients who have undergone maxillectomies, customized subperiosteal implants emerge as an effective alternative to conventional endosseous implants. Objective: This article aims to describe the rehabilitation of a patient with a history of partial maxillectomy using customized subperiosteal implants. Case report: A 77-year-old male patient, who had undergone a partial maxillectomy and reconstruction with a scapular free flap, was rehabilitated using customized subperiosteal implants. The implants were digitally designed using computer-aided design (CAD) software and manufactured from titanium. The surgical intervention was performed under general anesthesia, with a crestal incision and the use of a positioning guide to ensure precise placement of the implants. A provisional fixed polymethyl methacrylate (PMMA) prosthesis was placed immediately after surgery. Conclusion: Customized subperiosteal implants are an effective solution for severe maxillary defects, offering better outcomes and shorter treatment times thanks to technological advancements in their design.