Pascual Lozano

Hospital Universitari Son Espases | HUSE · Department of Angiology and Vascular Surgery

Objective Endovascular techniques have become an essential tool for the treatment of descending thoracic aortic disease (thoracic endovascular aneurysm repair [TEVAR]). The aim is to analyze the indications and outcomes of emergency TEVAR at national level in relation to elective surgery. Study design and scope A retrospective multicenter registry...

Background Endovascular techniques have become an essential tool for treatment of thoracic aortic pathology (TEVAR). The objetive of this study is to analyze indications and results of TEVAR in Vascular Surgery Units, through a retrospective and multicentric national registry called Regis-TEVAR. Methods From 2012 to 2016, a total of 287 patients f...

Objective: Endovascular techniques have become an essential tool for the treatment of descending thoracic aortic disease (thoracic endovascular aneurysm repair [TEVAR]). The aim is to analyze the indications and outcomes of emergency TEVAR at national level in relation to elective surgery. Study design and scope: A retrospective multicenter regi...

An assessment on the amount and spatial distribution of forest aboveground biomass (AGB) for the forests in Colombia was generated using in-situ national forest inventory data (IDEAM, 2018), in combination with multispectral optical data and synthetic aperture radar (SAR) satellite imagery. ALOS-2 PALSAR-2 gamma-0 backscatter annual mosaics (2015–2...

Background Ureteroarterial fistulas (UAFs) have a low incidence but are a potentially fatal cause of hematuria. Initially treated by open surgery, endovascular techniques have decreased potential complications. Material and Methods We present a short series of UAFs (n = 5) treated in our institution in the last 10 years: 1 case showed up after aor...

Introducción y objetivos: En los pacientes con estenosis carotidea sintomática, las principales guías clínicas recomiendan la revascularización carotidea dentro de las 2 semanas del evento clínico, Comunicaciones del Congreso para obtener la máxima prevención del ictus. El Grupo de Calidad Asistencial de la SEACV ha realizado una encuesta nacional...

El objetivo del tratamiento de la CI debe ser doble: por un lado, mejorar el deterioro funcional que causan los síntomas para lograr la mejoría de la calidad de vida de estos pacientes y, por otro, y no menos importante, tratar la enfermedad sistémica responsable de la alta tasa de mortalidad en estos pacientes. La efectividad de los tratamientos d...

INTRODUCCIÓN: La trombolisis endovenosa (TEV) tras un ictus mejora las tasas de recuperación del déficit neurológico. El objetivo del estudio es evaluar la seguridad y la efectividad de la cirugía carotidea precoz en los pacientes con ictus isquémicos tratados con TEV. MATERIAL Y MÉTODOS Serie retrospectiva. Se incluyen los pacientes intervenidos m...

Introduction: The CREST trial found an excess of stroke in the Carotid Artery Stenting (CAS) arm in the periprocedural period in comparison to Carotid Endarterectomy (CEA). Transcarotid artery stenting with the MICHI Neuroprotection System (NPS; Silk Road Medical Inc., Sunnyvale, CA, USA) is a hybrid procedure intended to reduce complications in CA...

Objetive A long-term survñval study in operated and non-operated patients with infrarenal abdominal aortic aneurysms, and an assessment of mortality causes. Material and methods Two hundred and twenty patients (209 men and 11 women) with infrarenal aortic aneurysms treated in our hospital from 1992 to 1997 were retrospectively studied. There were...

Objective The objective of this article is to know the functional prognosis of the popliteal artery trauma treated with diferent vascular surgery techniques, and the predictive value for amputation of a score of severity of injury. Methods and materials A retrospective analysis about popliteal artery trauma treated surgically was made. Since Febru...

We describe the case of a child who was a belted passenger in a traffic accident, in which an acute ischemic syndrome of the lower limbs by contusion-dissection of the infrarrenal aorta was caused, associated to multiple gastrointestinal injuries. Aortic repair was done by placing a Dacron Graft-patch. A literature review is presented, mechanisms a...

The pharmacist must work with the clinical team across the continuum of care to develop and therefore improve the patient's quality of life. In this study, we present the results from a continuous pharmaceutical care programme for patients admitted to an angiology and vascular surgery department. A 5-month prospective study to evaluate the results...

Introduction and objectivesTo determine whether the acquisition of direct flow to ischaemic foot angiosome affects healing and limb salvage in critical limb ischaemia treated by endovascular therapy.

Los aneurismas de la arteria poplítea (AAP) representan aproximadamente el 80 % de los aneurismas periféricos y tienen una prevalencia de alrededor del 1 % en los varones mayores de 65 años de edad, siendo rara su presencia en mujeres. En el 50 % de los casos, estos aneurismas suelen ser bilaterales y en otro 50 % se pueden asociar con aneurismas d...

IntroductionIliac artery aneurysms are uncommon and there is current no protocol for the follow-up.

Introduction chez certains patients ayant une ischémie critique de membre inférieur (ICMI), il n’existe pas de possibilité de revascularisation. Dans ces cas particuliers, l’angiogénèse thérapeutique (AT) utilisant une transplantation de progéniteurs cellulaires endothéliaux (PCE) pourrait constituer une alternative thérapeutique. L’objectif de cet...

In some patients with critical limb ischemia (CLI) the possibility of revascularizing treatment does not exist. In this case therapeutic angiogenesis (TA) using autologous endothelial progenitor cell (EPC) transplantation could be an alternative. The objective of our study was to evaluate the safety and efficacy of TA using EPC. Twenty-eight patien...

BACKGROUND. If carotid artery narrowing remains asymptomatic (ie, has caused no recent stroke or other neurological symptoms), successful carotid endarterectomy (CEA) reduces stroke incidence for some years. We assessed the long-term effects of successful CEA. METHODS: Between 1993 and 2003, 3120 asymptomatic patients from 126 centres in 30 countri...

La historia natural de la claudicación intermitente (CI) es relativamente benigna. El control de los factores de riesgo y el ejercicio físico supervisado deben ser el tratamiento inicial en todos los pacientes con CI, ya que son terapéuticas que han demostrado ser efectivas en estos pacientes.

La enfermedad arterial oclusiva de las extremidades afecta casi exclusivamente a los miembros inferiores y, mayoritariamente, está causada por arteriosclerosis obliterante. La reducción del flujo sanguíneo, debido a las estenosis u obstrucciones arteriales, provoca generalmente un cuadro de dolor en la extremidad afectada que aparece de forma regul...

Introducción. La mortalidad del aneurisma de aorta abdominal roto (AAAr) intervenido varía en 26-62%, dependiendo del estado clínico del paciente previo a la cirugía. Objetivos. Aplicar la escala de Glasgow en pacientes intervenidos de AAAr; y utilizarla como herramienta pronóstica para determinar la mortalidad perioperatoria y observar cómo se mod...

Critical limb ischemia is the end stage of peripheral arterial occlusive disease, with a deep impact in patient's quality of life. In some patients, there is no revascularizing treatment options, that determines major limb amputation in a high percentage of patients, not only for uncontrolled limb pain but also for complications of the trophic lesi...

Critical limb ischemia is the end stage of peripheral arterial occlusive disease, with a deep impact in patient's quality of life. In some patients, there is no revascularizing treatment options, that determines major limb amputation in a high percentage of patients, not only for uncontrolled limb pain but also for complications of the trophic lesi...

Osteochondromas, or exostoses, are the most common form of benign bone tumor, representing about 20–50% of all benign and 10–15% of all bone tumors.1 Patients rarely develop vascular complications. In the English literature, only 106 cases are reported. The development of a pseudoaneurysm, which was first described by Paul in 1953,2 is reported in...

Introduction. Mortality in cases of ruptured abdominal aortic aneurysm (rAAA) submitted to surgery ranges between 26-62%, depending on the clinical status of the patient before the operation. Aims. To apply the Glasgow scale in patients who underwent surgery for rAAA and to use it as a prognostic tool to determine the perioperative mortality rate a...

The aim of this study is to evaluate the functional recovery after Thoracic Outlet Syndrome (TOS) surgery, by the application of Disabilities of the Arm, Shoulder and Hand (DASH) questionnaire. This was a prospective study of all patients operated on for TOS from January 1998 to December 2005. The DASH questionnaire was administered pre- and postop...

Introducción. Los aneurismas de las arterias viscerales son entidades poco comunes con una incidencia estimada de 0,01-2%. Su importancia clínica se debe a que su historia natural se caracteriza por una tendencia a la rotura, con una tasa de mortalidad que puede llegar a ser de hasta un 70%. Con el desarrollo de las nuevas técnicas de imagen ha cre...

Introducción. La isquemia aguda por embolización distal de un aneurisma cubital es infrecuente. La mayoría de los casos descritos en la bibliografía se relacionan con el síndrome del martillo hipotenar (SMH). Caso clínico. Varón de 45 años, con dolor, parestesias y frialdad de inicio súbito en el cuarto y el quinto dedos del miembro superior derech...

Introduction. Aneurysms in the visceral arteries are uncommon conditions with an estimated incidence of 0.01-2%. Their clinical importance derives from the fact that their natural history is characterised by a tendency to rupture, with a mortality rate that can reach up to 70%. With the development of the latest imaging techniques the number of cha...

Introduction. Acute ischaemia due to distal embolisation of an ulnar aneurysm is infrequent. Most of the cases reported in the literature are related to hypothenar hammer syndrome (HHS). Case report. We report the case of a 45-year-old male who suffered the sudden onset of pain, paresthesias and coldness in the 4th and 5th fingers of the right hand...

Resumen. Introducción. La cirugía endovascular presenta un rápido desarrollo en todos los territorios, igualando e incluso mejorando los resultados de la cirugía convencional. Sin embargo, en los miembros inferiores todavía no se han alcanzado los niveles de seguridad y permeabilidad de otros territorios. Objetivo. Realizar una puesta al día de los...

Introduction Paracervical carotid tumours are a rare condition with a low incidence, especially if we compare them with intracranial aneurysmal malformations. The location varies according to the causation: syphilis, tuberculosis and other local infections were the most common cause up 50 years ago, and today these have been replaced by traumatic i...

A number of studies have related aneurysmal aortic degeneration to prior dissection, above all in patients with arterial hypertension. AIM. To analyse the rate of aneurysmal degeneration in patients previously diagnosed with aortic dissection. PATIENTS AND METHODS. We conducted a retrospective observational study involving 70 patients who survived...

Introducción. El mecanismo patogénico más frecuente de la disfunción eréctil es el de origen vascular. Hasta la fecha, en el diagnóstico de la disfunción eréctil por fuga venosa, únicamente se disponía de pruebas diagnósticas invasivas, como la cavernosometría y la cavernosografía, con un riesgo potencial de yatrogenia para los pacientes. Caso clín...

Introducción. Con el fin de seleccionar pacientes para angioplastia carotídea, algunos estudios han fijado criterios para definir grupos de alto riesgo. Objetivo. Analizar y comparar los resultados de la endarterectomía carotídea (EAC) según criterios de riesgo. Pacientes y métodos. Revisión retrospectiva de 669 EAC realizadas entre 1991 y 2004. El...

The syndrome of inadequate secretion of the antidiuretic hormone (SIADH) is a very rare complication after carotid endarterectomy, characterized by hyponatremia, decrease of serum osmolarity as well as an increase in urinary osmolarity. We report the case of an 80-year-old woman who developed, 24 hours after the surgery, a picture of drowsiness and...

Introduction. The most common pathogenic mechanism causing erectile dysfunction has its origins in a vascular disorder. To date, in the diagnosis of erectile dysfunction due to venous leak, only invasive diagnostic tests, such as cavernosometry and cavernosography, have been available, and such methods naturally entail a potential iatrogenic risk f...

Introduction. Paracervical carotid tumours are a rare condition with a low incidence, especially if we compare them with intracranial aneurysmal malformations. The location varies according to the causation: syphilis, tuberculosis and other local infections were the most common cause up 50 years ago, and today these have been replaced by traumatic...

Introduction. In order to select patients for carotid angioplasty, some studies have set criteria for defining high-risk groups. Aim. To analyse and compare the outcomes of carotid endarterectomies (CEA) according to risk criteria. Patients and methods. We conducted a retrospective review of 669 CEA carried out between 1991 and 2004. Risk was diffe...

Introduction. A number of studies have related aneurysmal aortic degeneration to prior dissection, above all in patients with arterial hypertension. Aim. To analyse the rate of aneurysmal degeneration in patients previously diagnosed with aortic dissection. Patients and methods. We conducted a retrospective observational study involving 70 patients...

Objetivo. El objetivo de nuestro estudio es evaluar la efectividad de la técnica DRIL (revascularización distal y ligadura intermedia) como tratamiento del síndrome de robo arterial isquémico secundario a fístulas arteriovenosas (FAV). Pacientes y métodos. Entre enero 1999 y diciembre 2003, 10 pacientes con accesos vasculares (AV) para hemodiálisis...

Introducción. La arteritis de Takayasu es una enfermedad inflamatoria muy poco frecuente en nuestro medio, que afecta principalmente a mujeres jóvenes de origen asiático o norteafricano. El fenómeno creciente de inmigración existente actualmente en nuestro país, hace que debamos tener presentes patologías que hasta ahora eran muy poco habituales. C...

Buerger's disease is uncommon arterial disease that affects mainly young people with heavy smoking history. Ischemic symptoms of upper and lower extremities are clearly defined as the most common kind of presentation. Visceral arteries are rarely affected. We report a case of a 44 year old young female with Buerger's disease and mesenteric ischemic...

Buerger's disease is uncommon arterial disease that affects mainly young people with heavy smoking history . Ischemic symptoms of upper and lower extremities are clearly defined as the most common kind of presentation. Visceral arteries are rarely affected. We report a case of a 44 years old young female with Buerger's disease and mesenteric ische-...

Aortoenteric fistula is defined as a communication between the native aorta and any portion of the gastrointestinal tract. Depending on previous aortic grafting it can be classified as primary, without previous grafting, or secondary. Primary aortoenteric fistula is less frequent and usually arises from an abdominal aortic aneurysm. Clinical presen...

Aortoenteric fistula is defined as a communication between the native aorta and any portion of the gastrointestinal tract. Depending on previous aortic grafting it can be classified as primary, without previous grafting, or secondary. Primary aortoenteric fistula is less frequent and usually arises from an abdominal aortic aneurysm. Clinical presen...

Resumen. Introducción. El número de pacientes que precisan de tratamiento renal sustitutivo va en aumento año tras año; en España, la prevalencia se sitúa actualmente en cerca de 1.000 casos por cada millón de habitantes. La técnica utilizada en el 87 % de estos casos es la hemodiálisis. Desarrollo. La obtención de un buen acceso vascular es la cla...

Aims. The aim of our study is to evaluate the effectiveness of the DRIL (Distal Revascularisation and Interval Ligation) procedure as treatment for ischemic arterial steal syndrome secondary to arteriovenous fistulas (AVF). Patients and methods. Between January 1999 and December 2003, 10 patients with vascular accesses (VA) for haemodialysis (HD) w...

Objectivo. Analisar a presença de factores predictivos que facilitem o diagnóstico precoce da colite isquémica no pós-operatório de uma ruptura de aneurisma da aorta abdominal. Doentes e métodos. Sobre um total de 49 doentes com ruptura de aneurisma da aorta abdominal intervencionados no nosso centro no período compreendido entre 1997 e 2003, reali...

Aim. To analyse the presence of predictive factors that facilitate the early diagnosis of ischemic colitis in the period following surgical intervention to treat a ruptured abdominal aortic aneurysm. Patients and methods. From a total of 49 patients with ruptured abdominal aortic aneurysms who underwent surgery in our centre during the period betwe...

Summary. Introduction and development. Carotid endarterectomy has proved to be an effective procedure in the prevention of ischemic stroke. Conventional carotid endarterectomy is a technique that has been widely utilised for a number of years and is usually performed by means of a longitudinal arteriotomy along the sick carotid axis. Eversion carot...

Aims. Our objective was to analyse the epidemiological pattern of carotid endarterectomy (CE) in hospitals belonging to the Insalud network over the period 1994-2001, by reviewing the impact trials had on its indication and by estimating the avoidable living costs following the CE. Patients and methods. From registries of discharges following ische...

Background and objective Our objective was to assess the effect of renal revascularization on renal function and blood pressurecontrol. Patients and method Retrospective analysis of primary renal revascularization procedures performed during a 6-year period. Parameters of renal function and blood pressure control were assessed before and after the...

Objectivo Expor as vantagens e os inconvenientes da ultrassonografia Doppler (USD), a angio-tomografia computorizada (ATC) e a angio-ressonância magnética (ARM) no estudo das lesóes dos troncos viscerais (TV), em comparação com a arteriografia de subtracção digital (ASD), conforme a literatura médica publicada. Desenvolvimento A USD permite detect...

Objetivo: Analizar el impacto de la gestión clínica en los indicadores básicos de calidad en un servicio de cirugía vascular durante un período de 10 años. Métodos: Análisis retrospectivo de los indicadores asistenciales en el período 1990-2001 y la influencia que han tenido una guía de manejo clínico y la elaboración de unos estándares de calidad....

Aims. The aim of this paper is to describe the advantages and disadvantages of Doppler ultrasound (DUS), computerised tomographic angiography (CTA) and magnetic resonance angiography (MRA) in the study of lesions in the visceral trunks (VT), in comparison with digital subtraction arteriography (DSA), according to the medical literature published to...

The aim of this study was to analyze the impact of clinical management on quality indicators in a vascular surgery unit over a 10-year period. We performed a retrospective analysis of quality indicators from 1990 to 2001 and of the influence of a clinical practice protocol and standards of quality on these indicators. Comparison of both periods rev...

Congenital pseudoarthrosis of the clavicle is a rare disorder that should not be confused with the more common form of pseudoarthrosis that occurs secondary to the fractured clavicle. The lesion is usually unilateral and more often affects the right side. Although the condition is usually asymptomatic, it may raise cosmetic concerns, minor problems...

Aims. The aim of this study is to define and analyse the incidence and the natural history of patients with critical ischemia (CI) of the lower limbs. Development. CI of the lower limbs is a terminal stage of occlusive arterial disease. The incidence of CI oscillates between 30-100 new cases per 100 000 inhabitants per year. Several definitions hav...

Our objective was to assess the effect of renal revascularization on renal function and blood pressure control. Retrospective analysis of primary renal revascularization procedures performed during a 6-year period. Parameters of renal function and blood pressure control were assessed before and after the procedure. Forty consecutive renal artery re...

Summary. Aims. The aim of this study is to define and analyse the incidence and the natural history of patients with critical ischemia (CI) of the lower limbs. Development. CI of the lower limbs is a terminal stage of occlusive arterial disease. The incidence of CI oscillates between 30- 100 new cases per 100 000 inhabitants per year. Several defin...

Aims. The aim of our research was to analyse the long-term results of thrombolysis and posterior resection of the first rib (RFR) in the treatment of primary subclavicular-axillary venous thrombosis (SAVT). Patients and methods. We carried out a retrospective review of 18 SAVT in 17 patients between February 1991 and September 2000: eight males and...

Objectivo Avaliar a permeabilida-de das fístulas arteriovenosas (FAV) para he-modiálise realizadas no nosso serviço, comparando os resultados nos doentes diabéticos e não diabéticos. Doentes e métodos Análise prospectiva de 273 FAV autólogas realizadas em 222 doentes durante 3 anos (1998-2000). Destes 222 doentes, 73 (32,9%) eram diabéticos e 149...

Introdução A infecção de uma cicatriz de aortotomia é uma entidade clínica muito pouco frequente, mais ainda se for de origem fúngica. Caso clínico Homem de 66 anos de idade que recorreu às urgências por febre, hipotensão e isquemia aguda de ambos os membros inferiores, com 24 horas de evolução. Entre os seus antecedentes patológicos destacavamse...

Objectivo Analisar a utilidade, medida em qualidade de vida, dos procedimentos endovasculares ilíacos. Doentes e métodos Analisam-se 70 procedimentos endovasculares realizados num período de 6 anos, e comparam-se com um grupo de controlo (125 procedimentos cirúrgicos, incluindo reconstruções anatómicas e extra-anatómicas). As lesões ilíacas tratad...

Introdução A indicação cirúrgica para o aneurisma popliteu assintomático é controversa, apesar de serem frequentes as complicações isquémicas associadas ao aneurisma e o risco elevado de amputação do membro. Objectivo Comparar os resultados do tratamento cirúrgico do aneurisma popliteu sintomático e assintomático. Doentes e métodos Série retrospe...

Aim. To evaluate the permeability of arteriovenous fistulae (AVF) for haemodialysis carried out in our service by comparing the results in diabetic and non-diabetic patients. Patients and methods. Retrospective analysis of 273 autologous AVF poformed in 222 patients over the 3-year period 1998-2000. Of these 222 patients, 73 (32.9%) were diabetic a...

Introduçào. A utilizaçâo de cateteres implantados para a administraçâo de quimioterapia é cada vez mais frequente. A sindro-ma da pinça costoclavicular (SPCC) é uma complicaçâo rara dos referidos cateteres, pro-duzindo a obstruçâo e por fim a secçâo do cateter, e a sua eventual embolizaçâo nas cavidades cardiacas direitas ou nas artérias pulmonares...

Introduction. The use of totally implanted catheters for chemoterapic treatments is increasing. The 'Pinch-off Syndrome' is a rare complication of this catheters and result finally in the obstruction, rupture and eventual embolization to right heart or pulmonary arteries. Clinical cases. In this article, two cases of patients with this type of cath...

A young woman had an acute embolic episode that affected her right upper limb. An axillo-brachial thromboembolectomy was performed after which distal pulses were recovered. The patient had a long lasting history, longer than ten years, of continuous licorice ingestion. Blood samples showed severe hypokalemia that caused EKG changes. Transesophageal...

Introduction. The objective of this article was to assess the effectiveness of preoperative thrombolytic treatment in the management of acute thromboembolic complications of popliteal artery aneurysms. Patients and methods. A series of 31 cases of acute thromboembolic complications of popliteal aneurysm were assess from January 1991 to June 1999 i...

Objective: The objective of this article is to know the functional prognosis of the popliteal artery trauma treated with diferent vascular surgery techniques, and the predictive value for amputation of a score of severity of injury. Methods and materials: A retrospective analysis about popliteal artery trauma treated surgically was made. Since Febr...

We describe the case of a child who was a belted passenger in a traffic accident, in which an acute ischemic syndrome of the lower limbs by contusion-dissection of the infrarrenal aorta was caused, associated to multiple gastrointestinal injuries. Aortic repair was done by placing a Dacron Graft-patch. A literature review is presented, mechanisms a...

To know the usefulness of plethysmography and digital pressure indexes (DPI) to assess the vasospasm and the response to medical treatment in patients with Raynaud's phenomenon. During a four-month period, we carried out a prospective clinical trial, with a control group (15 subjects) and other of patients with Raynaud's phenomenon (40 patients). W...

Although some bacteria appear to have a particular affinity for vascular endothelium, especially in the presence of atherosclerosis, infectious aneurysms are uncommon. Campylobacter fetus has been recently as- sociated with aortic mycotic aneurysms. We report a case of infection by Campylobacter fetus of a previously excluded and bypassed popliteal...

Paget's disease of bone (osteitis deformans) is one of the most common skeletal diseases, characterised by bone distortion and the loss of interior structure. Asymptomatic evolution is usual, so diagnosis is likely to be made only when complications of the disease appear. This paper describes such a diagnosis made in a patient with acute lower limb...

Objectives: To evaluate results in patients who underwent surgery due to a traumatic rupture of the thoracic aorta. Material and Methods: Retrospective analysis comprising 10 patients (9 males and 1 female); aged between 18 and 55 years (mean 36 years), who were operated on between 1992 and 1998 due to rupture thoracic aorta. In 8 patients, the rup...

Purpose: To describe and analyze scientific publications performed by Angiology and Vascular Surgery Services in Spain. Material and methods: Descriptive and retrospective study. A MedLine-based search strategy was designed in order to create a data-base that included those papers published by spanish authors. Two periods of time (1989-1993) and (1...