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1.
Rev. cir. (Impr.) ; 76(2)abr. 2024.
Article in Spanish | LILACS-Express | LILACS | ID: biblio-1565464

ABSTRACT

Introducción: Los aneurismas de la arteria carótida extracraneal (ACEC) son poco frecuentes en comparación con las lesiones oclusivas. Los ACEC son menos del 1% de todos los aneurismas arteriales y solo el 10% son considerados aneurismas verdaderos. Caso Clínico: Paciente femenina de 84 años, en excelentes condiciones generales, hipertensa e hiperlipidémica, neurológicamente asintomática, con hallazgo de aneurisma de carótida interna derecha en el contexto de una arteria elongada, estenosis moderada ostial y oclusión de arteria carótida interna contralateral. Se realiza resección de aneurisma con anastomosis término terminal, endarterectomía del ostium y angioplastía con parche. Su evolución fue favorable, manteniéndose asintomática y con la reconstrucción permeable a 6 meses de seguimiento en eco duplex. Discusión: La elección del manejo del ACEC va a depender de sus características morfológicas, en este caso la presencia de tortuosidad extrema de la arteria carótida interna dificultaba la posibilidad de manejo endovascular, pero facilitaba la resección del aneurisma con anastomosis primaria término terminal. Conclusión: La aneurismectomía y reconstrucción es una modalidad de manejo disponible para los ACEC.


Introduction: Extracranial carotid artery aneurysms (ECAA) are rare compared to occlusive disease, less than 1% of all arterial aneurysms and only 10% are considered true aneurysms. Clinical case: A 84-year-old female, active and in excellent general health, with a prior history significant only for hypertension and hyperlipidemia was referred for a right internal carotid artery aneurysm and elongation in the context of contralateral internal carotid artery occlusion. The patient denied neurologic symptoms. Resection of the aneurysm and end-to-end anastomosis, endarterectomy of the ostium and patch angioplasty was performed. The patient had an uneventful recovery, remaining asymptomatic and the reconstruction patent on duplex scan at 6 month follow up. Discussion: The choice of repair alternatives for EICA depend on its morphological characteristics. The presence of extreme tortuosity of the internal carotid artery in this case, on one hand make difficult to consider endovascular alternatives, but facilitates aneurysm resection and primary end-to-end anastomosis. Conclusion: Aneurysmectomy and arterial reconstruction is a treatment alternative for EICA repair.

2.
Rev. méd. Chile ; 150(5): 611-617, mayo 2022. graf, tab
Article in Spanish | LILACS | ID: biblio-1409839

ABSTRACT

BACKGROUND: Telemedicine became a relevant means to provide healthcare without face-to-face medical evaluation during the COVID-19 pandemic. AIM: To describe the effectiveness of telemedicine in vascular surgery. Materials and Methods: Review of medical records of all vascular surgery consultations carried out in a clinical hospital between April and October 2020. The main outcome measured was the resolution of the reason for consultation. Secondary outcomes were the need to request laboratory tests or imaging, the need to evaluate the patient in person, and the need for referral to hospitalization or emergency service. RESULTS: One hundred-six new consultations and their follow-up (remotely or in person) were analyzed. A definitive diagnosis could be reached in 74% of consultations, treatment could be instituted or modified in 69% of them, and the reason for consultation could be resolved in 74% of cases. Laboratory and imaging tests were requested in 36 and 63% of consultations, respectively. Four percent of patients were referred to the emergency department or hospitalization. Conclusions: In the vast majority of consultations, it was possible to achieve a definitive diagnosis, prescribe a treatment and resolve the reason for consultation without the need for a face-to-face medical evaluation.


Subject(s)
Humans , Telemedicine , COVID-19 , Referral and Consultation , Vascular Surgical Procedures , Pandemics
3.
Rev Med Chil ; 150(5): 611-617, 2022 May.
Article in Spanish | MEDLINE | ID: mdl-37906761

ABSTRACT

BACKGROUND: Telemedicine became a relevant means to provide healthcare without face-to-face medical evaluation during the COVID-19 pandemic. AIM: To describe the effectiveness of telemedicine in vascular surgery. MATERIALS AND METHODS: Review of medical records of all vascular surgery consultations carried out in a clinical hospital between April and October 2020. The main outcome measured was the resolution of the reason for consultation. Secondary outcomes were the need to request laboratory tests or imaging, the need to evaluate the patient in person, and the need for referral to hospitalization or emergency service. RESULTS: One hundred-six new consultations and their follow-up (remotely or in person) were analyzed. A definitive diagnosis could be reached in 74% of consultations, treatment could be instituted or modified in 69% of them, and the reason for consultation could be resolved in 74% of cases. Laboratory and imaging tests were requested in 36 and 63% of consultations, respectively. Four percent of patients were referred to the emergency department or hospitalization. CONCLUSIONS: In the vast majority of consultations, it was possible to achieve a definitive diagnosis, prescribe a treatment and resolve the reason for consultation without the need for a face-to-face medical evaluation.


Subject(s)
COVID-19 , Telemedicine , Humans , Pandemics , Referral and Consultation , Vascular Surgical Procedures
4.
Rev. méd. Chile ; 149(12): 1707-1715, dic. 2021. ilus, tab
Article in Spanish | LILACS | ID: biblio-1389406

ABSTRACT

BACKGROUND: Thoracoabdominal aortic aneurysm (TAAA) is an infrequent disease and demands a highly specialized and experienced management. Open repair (OR) is the gold standard but it is associated with significant morbidity and mortality. Paraplegia and renal failure are the most important complications. AIM: To report our results with OR treatment of TAAA. MATERIAL AND METHODS: Descriptive study including all patients with TAAA operated electively and consecutively by OR between 1983 and 2019. Main outcomes are operative mortality, renal and neurological morbidity, and long-term survival. RESULTS: We report 45 operated patients aged 33 to 84 years, 74% males. Aneurysm extension according to Crawford classification was I in 18%, II in 18 %, III in 36% and IV in 29%. Operative mortality was 4%. The frequency of paraplegia or paraparesis at discharge was 9%. No patient was discharged on hemodialysis. Survival at 5 and 10 years were 60% and 40% respectively. CONCLUSIONS: OR of TAAA is a complex procedure. Our results show perioperative mortality rates comparable to highly experienced centers. Although being a major procedure, OR remains an alternative to treat this serious condition.


Subject(s)
Humans , Male , Female , Aortic Aneurysm, Thoracic/surgery , Aortic Aneurysm, Thoracic/complications , Blood Vessel Prosthesis Implantation/adverse effects , Blood Vessel Prosthesis Implantation/methods , Paraplegia/surgery , Paraplegia/complications , Postoperative Complications , Retrospective Studies , Risk Factors , Treatment Outcome
5.
Anaesthesia ; 76(10): 1342-1351, 2021 Oct.
Article in English | MEDLINE | ID: mdl-33960404

ABSTRACT

Delirium occurs commonly following major non-cardiac and cardiac surgery and is associated with: postoperative mortality; postoperative neurocognitive dysfunction; increased length of hospital stay; and major postoperative complications and morbidity. The aim of this study was to investigate the effect of peri-operative administration of dexmedetomidine on the incidence of postoperative delirium in non-cardiac and cardiac surgical patients. In this randomised, double-blind placebo-controlled trial we included 63 patients aged ≥ 60 years undergoing major open abdominal surgery or coronary artery bypass graft surgery with cardiopulmonary bypass. The primary outcome was the incidence of postoperative delirium, as screened for with the Confusion Assessment Method. Delirium assessment was performed twice daily until postoperative day 5, at the time of discharge from hospital or until postoperative day 14. We found that dexmedetomidine was associated with a reduced incidence of postoperative delirium within the first 5 postoperative days, 43.8% vs. 17.9%, p = 0.038. Severity of delirium, screened with the Intensive Care Delirium Screening Checklist, was comparable in both groups, with a mean maximum score of 1.54 vs. 1.68, p = 0.767. No patients in the dexmedetomidine group died while five (15.6%) patients in the placebo group died, p = 0.029. For patients aged ≥ 60 years undergoing major cardiac or non-cardiac surgery, we conclude that the peri-operative administration of dexmedetomidine is associated with a lower incidence of postoperative delirium.


Subject(s)
Dexmedetomidine/therapeutic use , Emergence Delirium/epidemiology , Emergence Delirium/prevention & control , Hypnotics and Sedatives/therapeutic use , Perioperative Care/methods , Surgical Procedures, Operative , Aged , Berlin/epidemiology , Double-Blind Method , Female , Humans , Incidence , Length of Stay/statistics & numerical data , Male , Prospective Studies
6.
Org Biomol Chem ; 19(13): 2912-2916, 2021 04 07.
Article in English | MEDLINE | ID: mdl-33735355

ABSTRACT

A modified Cp*Ru complex, equipped with a maleimide group, was covalently attached to a cysteine of an engineered variant of Ferric hydroxamate uptake protein component: A (FhuA). This synthetic metalloprotein catalyzed the intermolecular alkene-alkyne coupling of 3-butenol with 5-hexynenitrile. When compared with the protein-free Cp*Ru catalyst, the biohybrid catalyst produced the linear product with higher regioselectivity.

7.
Rev Med Chil ; 149(12): 1707-1715, 2021 Dec.
Article in Spanish | MEDLINE | ID: mdl-35735338

ABSTRACT

BACKGROUND: Thoracoabdominal aortic aneurysm (TAAA) is an infrequent disease and demands a highly specialized and experienced management. Open repair (OR) is the gold standard but it is associated with significant morbidity and mortality. Paraplegia and renal failure are the most important complications. AIM: To report our results with OR treatment of TAAA. MATERIAL AND METHODS: Descriptive study including all patients with TAAA operated electively and consecutively by OR between 1983 and 2019. Main outcomes are operative mortality, renal and neurological morbidity, and long-term survival. RESULTS: We report 45 operated patients aged 33 to 84 years, 74% males. Aneurysm extension according to Crawford classification was I in 18%, II in 18 %, III in 36% and IV in 29%. Operative mortality was 4%. The frequency of paraplegia or paraparesis at discharge was 9%. No patient was discharged on hemodialysis. Survival at 5 and 10 years were 60% and 40% respectively. CONCLUSIONS: OR of TAAA is a complex procedure. Our results show perioperative mortality rates comparable to highly experienced centers. Although being a major procedure, OR remains an alternative to treat this serious condition.


Subject(s)
Aortic Aneurysm, Thoracic , Blood Vessel Prosthesis Implantation , Aortic Aneurysm, Thoracic/complications , Aortic Aneurysm, Thoracic/surgery , Blood Vessel Prosthesis Implantation/adverse effects , Blood Vessel Prosthesis Implantation/methods , Female , Humans , Male , Paraplegia/complications , Paraplegia/surgery , Postoperative Complications , Retrospective Studies , Risk Factors , Treatment Outcome
8.
Rev. méd. Chile ; 148(10)oct. 2020.
Article in Spanish | LILACS | ID: biblio-1389210

ABSTRACT

Giant cell arteritis is more common in women older than 60 years, is associated with systemic inflammation symptoms and mainly involves the aortic arch and cranial arteries, specially the temporal artery. Symptomatic lower extremity arterial stenosis or occlusion is uncommon and can lead to limb loss. We report a 73-year-old woman presenting with a one-month history of lower extremity intermittent claudication of sudden onset. She also complained of fever, malaise, headache and weight loss. A non-invasive vascular study showed moderate femoral popliteal occlusive disease, with and abnormal ankle-brachial index (0.68 and 0.83 on right and left sides, respectively). An angio-computed tomography showed thickening of the aortic wall and severe stenosis in both superficial femoral arteries. Steroidal treatment was started, and a temporal artery biopsy was performed confirming giant cell arteritis. Six weeks after steroid therapy the patient had a complete remission of symptoms. A serologic exacerbation was subsequently treated with a humanized monoclonal antibody against the interleukin-6 receptor Tocilizumab, obtaining long time remission.


Subject(s)
Aged , Female , Humans , Giant Cell Arteritis , Arteries , Temporal Arteries , Giant Cell Arteritis/complications , Giant Cell Arteritis/drug therapy , Ankle Brachial Index , Ischemia/etiology , Ischemia/diagnostic imaging
9.
Rev Med Chil ; 148(10): 1513-1517, 2020 Oct.
Article in Spanish | MEDLINE | ID: mdl-33844724

ABSTRACT

Giant cell arteritis is more common in women older than 60 years, is associated with systemic inflammation symptoms and mainly involves the aortic arch and cranial arteries, specially the temporal artery. Symptomatic lower extremity arterial stenosis or occlusion is uncommon and can lead to limb loss. We report a 73-year-old woman presenting with a one-month history of lower extremity intermittent claudication of sudden onset. She also complained of fever, malaise, headache and weight loss. A non-invasive vascular study showed moderate femoral popliteal occlusive disease, with and abnormal ankle-brachial index (0.68 and 0.83 on right and left sides, respectively). An angio-computed tomography showed thickening of the aortic wall and severe stenosis in both superficial femoral arteries. Steroidal treatment was started, and a temporal artery biopsy was performed confirming giant cell arteritis. Six weeks after steroid therapy the patient had a complete remission of symptoms. A serologic exacerbation was subsequently treated with a humanized monoclonal antibody against the interleukin-6 receptor Tocilizumab, obtaining long time remission.


Subject(s)
Giant Cell Arteritis , Aged , Ankle Brachial Index , Arteries , Female , Giant Cell Arteritis/complications , Giant Cell Arteritis/drug therapy , Humans , Ischemia/diagnostic imaging , Ischemia/etiology , Temporal Arteries
10.
Rev Med Chil ; 147(1): 41-46, 2019.
Article in Spanish | MEDLINE | ID: mdl-30848763

ABSTRACT

BACKGROUND: Pelvic venous insufficiency may cause pelvic congestion syndrome that is characterized by chronic pelvic pain exacerbated by prolonged standing, sexual activity or menstrual cycle. It may be treated by embolizing the dysfunctional pelvic venous drainage and sometimes resecting vulvar, perineal and thigh varices. AIM: To assess the results of embolization of insufficient pelvic or ovarian veins on pelvic congestion syndrome. MATERIAL AND METHODS: Analysis of 17 female patients aged 32 to 53 years, who underwent subjected to a selective coil embolization of insufficient pelvic and/or ovarian veins through the jugular, basilic or cephalic veins. In the preoperative period, all patients had a lower extremity venous duplex pelvic ultrasound examination and some had an abdominal and pelvic CT angiogram. RESULTS: The technical success of the procedure was 100% and no complications were registered. During a 32 month follow up, no patient had symptoms of pelvic venous insufficiency or relapse of vulvar or thigh varices. CONCLUSIONS: Embolization of insufficient pelvic and ovarian veins is a safe and successful procedure for the treatment of pelvic venous insufficiency or vulvar varices.


Subject(s)
Embolization, Therapeutic/methods , Ovary/blood supply , Pelvic Pain/therapy , Pelvis/blood supply , Varicose Veins/therapy , Adult , Chronic Pain , Female , Humans , Middle Aged , Ovary/diagnostic imaging , Pelvic Pain/diagnostic imaging , Pelvis/diagnostic imaging , Phlebography/methods , Reproducibility of Results , Retrospective Studies , Syndrome , Treatment Outcome , Varicose Veins/diagnostic imaging
11.
Rev. méd. Chile ; 147(1): 41-46, 2019. tab, graf
Article in Spanish | LILACS | ID: biblio-991371

ABSTRACT

Background: Pelvic venous insufficiency may cause pelvic congestion syndrome that is characterized by chronic pelvic pain exacerbated by prolonged standing, sexual activity or menstrual cycle. It may be treated by embolizing the dysfunctional pelvic venous drainage and sometimes resecting vulvar, perineal and thigh varices. Aim: To assess the results of embolization of insufficient pelvic or ovarian veins on pelvic congestion syndrome. Material and Methods: Analysis of 17 female patients aged 32 to 53 years, who underwent subjected to a selective coil embolization of insufficient pelvic and/or ovarian veins through the jugular, basilic or cephalic veins. In the preoperative period, all patients had a lower extremity venous duplex pelvic ultrasound examination and some had an abdominal and pelvic CT angiogram. Results: The technical success of the procedure was 100% and no complications were registered. During a 32 month follow up, no patient had symptoms of pelvic venous insufficiency or relapse of vulvar or thigh varices. Conclusions: Embolization of insufficient pelvic and ovarian veins is a safe and successful procedure for the treatment of pelvic venous insufficiency or vulvar varices.


Subject(s)
Humans , Female , Adult , Middle Aged , Ovary/blood supply , Pelvis/blood supply , Varicose Veins/therapy , Pelvic Pain/therapy , Embolization, Therapeutic/methods , Ovary/diagnostic imaging , Pelvis/diagnostic imaging , Syndrome , Varicose Veins/diagnostic imaging , Phlebography/methods , Reproducibility of Results , Retrospective Studies , Treatment Outcome , Pelvic Pain/diagnostic imaging , Chronic Pain
12.
Org Biomol Chem ; 16(30): 5452-5456, 2018 08 01.
Article in English | MEDLINE | ID: mdl-30022176

ABSTRACT

An (η5-cyclopentadienyl)cobalt(i) complex was covalently incorporated into an engineered variant of the transmembrane protein ferric hydroxamate uptake protein component: A, FhuA ΔCVFtev, using a thiol-ene reaction. A CD spectrum shows the structural integrity of the biohybrid catalyst. MALDI-TOF of the segment containing the anchoring site for the cobalt complex Cys545 confirmed successful conjugation. This biohybrid catalyst catalyzed the cyclotrimerization of phenylacetylene to give a mixture of regioisomeric 1,2,4- and 1,3,5-triphenylbenzene in aqueous medium.


Subject(s)
Acetylene/analogs & derivatives , Bacterial Outer Membrane Proteins/chemistry , Cobalt/chemistry , Coordination Complexes/chemistry , Escherichia coli Proteins/chemistry , Escherichia coli/chemistry , Acetylene/chemistry , Acetylene/metabolism , Bacterial Outer Membrane Proteins/genetics , Bacterial Outer Membrane Proteins/metabolism , Catalysis , Cyclization , Dimerization , Escherichia coli/genetics , Escherichia coli/metabolism , Escherichia coli Proteins/genetics , Escherichia coli Proteins/metabolism , Ferric Compounds/metabolism , Hydroxamic Acids/metabolism , Models, Molecular , Protein Engineering
13.
Rev. chil. cir ; 67(6): 622-628, dic. 2015. ilus
Article in Spanish | LILACS | ID: lil-771605

ABSTRACT

Background: Chronic mesenteric ischemia is observed in older people and is often due to atherosclerosis. Radiotherapy is an important risk factor for atherosclerosis. Aim: To report our experience with chronic mesenteric ischemia secondary to retroperitoneal radiotherapy. Material and methods: Review of medical records of four male patients aged 39 to 65 years, treated for chronic mesenteric ischemia secondary to para-aortic radiotherapy between 1993 and 2011. Results: All of them had the classic symptoms of ischemia characterized by post prandial abdominal pain and weight loss. One had also isolated diarrhea episodes. Revascularization was achieved with open or endovascular surgery, with good results during a follow up period ranging from two to 20 years. Conclusions: Surgical revascularization is a good treatment for chronic mesenteric ischemia secondary to radiotherapy.


Introducción: La insuficiencia mesentérica crónica es un diagnóstico infrecuente, generalmente secundario a enfermedad aterosclerótica, siendo considerada una enfermedad de pacientes añosos. Se sabe que la radioterapia es un factor de riesgo importante para aterosclerosis. Describimos nuestra experiencia en el manejo de la isquemia mesentérica crónica secundaria a radioterapia retroperitoneal. Materiales y métodos: Análisis retrospectivo de las fichas clínicas de los pacientes tratados en nuestro centro por insuficiencia mesentérica crónica posterior a radioterapia del territorio para-aórtico entre 1993 y 2011. Resultados: Un total de 4 pacientes de sexo masculino fueron identificados. Edad promedio: 49 +/- 12 años (rango 39-65). Todos presentaron los síntomas clásicos de insuficiencia mesentérica caracterizados por dolor abdominal postprandial y baja de peso. Uno de ellos además tenía episodios repetidos de diarrea. La revascularización mesentérica se obtuvo mediante cirugía abierta o endovascular con excelentes resultados a corto y largo plazo con un seguimiento promedio de 9,3 años (rango 2-20). Discusión: El curso acelerado de la aterosclerosis posterior a radioterapia se ha descrito en múltiples territorios vasculares. Síntomas de insuficiencia mesentérica crónica pueden ser malinterpretados en estos pacientes debido a su similitud con los síntomas observados en la ileitis actínica. Un diagnóstico y tratamiento oportuno son críticos para evitar complicaciones mayores y deterioro de calidad de vida de estos pacientes. Conclusión: La insuficiencia mesentérica crónica inducida por radioterapia es una condición infrecuente. El manejo con cirugía abierta o endovascular son seguras y otorgan resolución sintomática a largo plazo.


Subject(s)
Humans , Male , Adult , Middle Aged , Mesenteric Ischemia/surgery , Mesenteric Ischemia/etiology , Radiotherapy/adverse effects , Radiation Injuries/surgery , Mesenteric Arteries/surgery , Chronic Disease , Endovascular Procedures , Vascular Surgical Procedures
14.
Rev. chil. cir ; 67(2): 195-198, abr. 2015. ilus
Article in Spanish | LILACS | ID: lil-745082

ABSTRACT

Introduction: True incidence of renal artery aneurysms is unknown but it has been estimated to be around 1 percent. They are usually asymptomatic and diagnosed through imaging studies done for other medical reasons. Those that are more than 2 cm in diameter or any aneurysm in pregnant women should be treated because of an elevated risk of rupture. We present a case of a man with a complex 2.5 cm renal artery aneurysm, successfully treated with ex vivo repair and reimplantation by a multidisciplinary team.


Introducción: La incidencia real de los aneurismas de arteria renal es desconocida, pero se ha estimado en aproximadamente un 1 por ciento. Normalmente los pacientes son asintomáticos y su diagnóstico es habitualmente un hallazgo de estudios de imágenes solicitados por otras causas. El riesgo principal de los aneurismas mayores de 2 cm de diámetro o aquellos en mujeres embarazadas es la rotura. Caso clínico: Presentamos el caso de un hombre con diagnóstico de aneurisma complejo de arteria renal izquierda, que fue sometido a reparación exitosa.


Subject(s)
Humans , Male , Middle Aged , Aneurysm/surgery , Renal Artery/surgery , Laparoscopy , Nephrectomy/methods , Transplantation, Autologous/methods , Angiography , Aneurysm , Renal Artery , Tomography, X-Ray Computed , Saphenous Vein/transplantation
15.
Rev. chil. cir ; 66(5): 489-493, set. 2014. ilus
Article in Spanish | LILACS | ID: lil-724804

ABSTRACT

Perforator vein incompetence is a specific form of lower extremitiy venous insufficiency characterized by localized hyperpigmentation, venous ulceration or recurrence of varicose veins. Surgical treatment ranges from the extensive conventional open subfascial ligation to percutaneous radiofrequency or laser techniques with unknown late outcome. A minimally invasive technique of subfascial ligation through small incisions described by Queral, with acceptable results, has been successfully used and improved in recent years by our group. Details of the technique and pre-operative managment are described.


La insuficiencia de venas perforantes es una forma de insuficiencia venosa de extremidades inferiores que se manifiesta por hiperpigmentación cutánea localizada, desarrollo de úlceras venosas o recurrencia de várices previamente operadas. Su tratamiento comprende desde cirugías cruentas como la ligadura subfascial abierta a técnicas percutáneas de radiofrecuencia o láser con resultados alejados desconocidos. Dentro de las técnicas mínimamente invasivas se encuentra la cirugía de ligadura subfascial de perforantes con mini-incisiones descrita por Queral, de eficacia demostrada y que hemos realizado y perfeccionado exitosamente en los últimos años. Se describen detalles de la técnica y de la planificación pre-operatoria de pacientes con esta patología.


Subject(s)
Humans , Venous Insufficiency/surgery , Ligation/methods , Minimally Invasive Surgical Procedures , Leg/blood supply , Varicose Ulcer/surgery , Suture Techniques
16.
Transplant Proc ; 46(1): 234-40, 2014.
Article in English | MEDLINE | ID: mdl-24507058

ABSTRACT

OBJECTIVE: To evaluate improvement in gastrointestinal (GI) symptoms and health-related quality of life (HRQoL) in liver transplant recipients switched from mycophenolate mofetil (MMF) to enteric-coated mycophenolate sodium (EC-MPS). METHODS: A multicenter, open-label, single-arm study was undertaken in maintenance liver transplant recipients who reported GI complications with MMF therapy. The patients were switched to equimolar doses of EC-MPS at baseline. The primary end point was the change in the Gastrointestinal Symptom Rating Scale (GSRS) total score after 6 to 8 weeks of treatment with EC-MPS. Other key assessments for GI symptoms and HRQoL included the GSRS subscores, the Gastrointestinal Quality of Life Index (GIQLI), the Psychological General Well-Being Index, and the Overall Treatment Effect (OTE). Paired t-test was used to assess the difference in the mean score changes over time. RESULTS: A total of 34 patients were enrolled and switched to equimolar doses of EC-MPS. After 6 to 8 weeks of EC-MPS treatment, mean GSRS total score improved significantly from 2.88 ± 0.66 to 2.10 ± 0.78. Mean improvement in GSRS total score (-0.77 score points; P = .001) exceeded the minimal clinically important difference. Significant improvements were observed in all GSRS subscales (P < .05), GIQLI total scores (P = .001), and GIQLI subscales "GI symptoms" (P < .001) and "physical function" (0.013). Patients who continued EC-MPS reported sustained benefits compared with patients who switched back to MMF after 6 to 8 weeks of treatment with EC-MPS. On the OTE scale, improvement in symptoms was reported in 76.5% and 61.8% of the patients as perceived by the physicians and the patients. Improvement in HRQoL was reported by 41.2% of the patients. No deaths, biopsy proven acute rejections, or graft losses were reported during the study. CONCLUSION: Conversion from MMF to EC-MPS was associated with a significant improvement in GI symptoms and HRQoL in liver transplant recipients.


Subject(s)
Gastrointestinal Diseases/chemically induced , Liver Failure/surgery , Liver Transplantation , Mycophenolic Acid/analogs & derivatives , Quality of Life , Adult , Aged , Female , Gastrointestinal Diseases/complications , Gastrointestinal Diseases/psychology , Humans , Immunosuppressive Agents/adverse effects , Liver Failure/complications , Liver Failure/psychology , Male , Middle Aged , Mycophenolic Acid/adverse effects , Severity of Illness Index , Surveys and Questionnaires , Tablets, Enteric-Coated , Transplant Recipients , Treatment Outcome
17.
Am J Transplant ; 14(3): 701-10, 2014 Mar.
Article in English | MEDLINE | ID: mdl-24502384

ABSTRACT

The feasibility of de novo everolimus without calcineurin inhibitor (CNI) therapy following liver transplantation was assessed in a multicenter, prospective, open-label trial. Liver transplant patients were randomized at 4 weeks to start everolimus and discontinue CNI, or continue their current CNI-based regimen. The primary endpoint was adjusted estimated GFR (eGFR; Cockcroft-Gault) at month 11 post randomization. A 24-month extension phase followed 81/114 (71.1%) of eligible patients to month 35 post randomization. The adjusted mean eGFR benefit from randomization to month 35 was 10.1 mL/min (95% confidence interval [CI] -1.3, 21.5 mL/min, p = 0.082) in favor of CNI-free versus CNI using Cockcroft-Gault, 9.4 mL/min/1.73 m(2) (95% CI -0.4, 18.9, p = 0.053) with Modification of Diet in Renal Disease (four-variable) and 9.5 mL/min/1.73 m(2) (95% CI -1.1, 17.9, p = 0.028) using Nankivell. The difference in favor of the CNI-free regimen increased gradually over time due to a small progressive decline in eGFR in the CNI cohort despite a reduction in CNI exposure. Biopsy-proven acute rejection, graft loss and death were similar between groups. Adverse events led to study drug discontinuation in five CNI-free patients and five CNI patients (12.2% vs. 12.5%, p = 1.000) during the extension phase. Everolimus-based CNI-free immunosuppression is feasible following liver transplantation and patients benefit from sustained preservation of renal function versus patients on CNI for at least 3 years.


Subject(s)
Calcineurin Inhibitors , Cyclosporine/administration & dosage , Graft Rejection/drug therapy , Immunosuppressive Agents/administration & dosage , Liver Diseases/surgery , Liver Transplantation , Sirolimus/analogs & derivatives , Adolescent , Adult , Aged , Cyclosporine/adverse effects , Everolimus , Feasibility Studies , Female , Follow-Up Studies , Graft Rejection/etiology , Graft Survival/drug effects , Humans , Immunosuppressive Agents/adverse effects , Male , Middle Aged , Prognosis , Prospective Studies , Sirolimus/administration & dosage , Time Factors , Withholding Treatment , Young Adult
18.
Rev Med Chil ; 141(2): 264-7, 2013 Feb.
Article in Spanish | MEDLINE | ID: mdl-23732502

ABSTRACT

Esophageal squamous cell carcinoma can spread locally to neighboring organs in the mediastinum. When it invades the aorta, the patient may develop an aorto esophageal fistula (AEF), complication that carries a high mortality rate. We report a 62-year-old male with stage IV esophageal carcinoma who, after chemo radiation treatment, developed an AEF. He was successfully treated with the use of an aortic endograft. The patient died 13 months later due to progression of his cancer, without evidence of sepsis or new bleeding episodes.


Subject(s)
Aortic Diseases/etiology , Carcinoma, Squamous Cell/complications , Esophageal Fistula/etiology , Esophageal Neoplasms/complications , Vascular Fistula/etiology , Aortic Diseases/surgery , Endovascular Procedures , Esophageal Fistula/surgery , Fatal Outcome , Humans , Male , Middle Aged , Vascular Fistula/surgery
19.
Zoonoses Public Health ; 60(8): 528-38, 2013 Dec.
Article in English | MEDLINE | ID: mdl-23480672

ABSTRACT

Public Health is defined as an interdisciplinary multilevel approach that deals with questions of preventing diseases at the population level. In this context, this paper focuses on vector-borne diseases as an important threat with an increasing impact on human and animal health. Emphasis is laid on an integrated health approach ('One-Health' initiative) as it recognizes the interrelated nature of both human and animal health. The importance of vector-borne diseases to new and emerging diseases in Europe was demonstrated, for example, by the recent outbreak of West Nile virus infections in Greece, Northern Italy and Hungary; the spread of Crimean-Congo haemorrhagic fever virus across Turkey, south-western countries of the former USSR and the Balkans; the dramatic increase in hantavirus infections in Germany in 2012; and the dengue virus outbreak in Portugal in the same year. This paper provides a systematic approach for the analysis, assessment and governance of emerging health risks attributed to vector-borne diseases by using a holistic approach developed by the International Risk Governance Council (IRGC), called the 'IRGC Risk Governance Framework'. It can be used by decision-makers and general Public Health authorities in order to evaluate the situation regarding any specific pathogen or Public Health risk and to decide if additional measures should be implemented.


Subject(s)
Dengue/epidemiology , Hantavirus Infections/epidemiology , Hemorrhagic Fever, Crimean/epidemiology , West Nile Fever/epidemiology , Animals , Dengue/prevention & control , Dengue/transmission , Dengue Virus/physiology , Disease Outbreaks , Disease Vectors , Europe/epidemiology , Orthohantavirus/physiology , Hantavirus Infections/transmission , Hemorrhagic Fever Virus, Crimean-Congo/physiology , Hemorrhagic Fever, Crimean/prevention & control , Hemorrhagic Fever, Crimean/transmission , Humans , Public Health , Risk , West Nile Fever/prevention & control , West Nile Fever/transmission , West Nile virus/physiology , Zoonoses
20.
Rev. méd. Chile ; 141(2): 264-267, feb. 2013. ilus
Article in Spanish | LILACS | ID: lil-675068

ABSTRACT

Background: Esophageal squamous cell carcinoma can spread locally to neighboring organs in the mediastinum. When it invades the aorta, the patient may develop an aorto esophageal fistula (AEF), complication that carries a high mortality rate. We report a 62-year-old male with stage IV esophageal carcinoma who, after chemo radiation treatment, developed an AEF. He was successfully treated with the use of an aortic endograft. The patient died 13 months later due to progression of his cancer, without evidence of sepsis or new bleeding episodes.


Subject(s)
Humans , Male , Middle Aged , Aortic Diseases/etiology , Carcinoma, Squamous Cell/complications , Esophageal Fistula/etiology , Esophageal Neoplasms/complications , Vascular Fistula/etiology , Aortic Diseases/surgery , Endovascular Procedures , Esophageal Fistula/surgery , Fatal Outcome , Vascular Fistula/surgery
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