1,720,976 research outputs found
Unexpected interventricular septal hematoma after ventricular septal defect closure: Intraoperative echocardiographic early detection
No full textEur J Echocardiogr. 2007 Oct;8(5):395-7. Epub 2006 Jul 11.
Unexpected interventricular septal hematoma after ventricular septal defect closure: intraoperative echocardiographic early detection.
Padalino MA, Speggiorin S, Pittarello D, Milanesi O, Stellin G.
Source
Pediatric and Congenital Cardiac Surgery Unit, University of Padova, Medical School, Padova, Italy. [email protected]
Abstract
We report a rare case of an interventricular septal hematoma in a 4-month-old infant after patch closure of a membranous ventricular septal defect. Routine intraoperative transesophageal echocardiographic monitoring allowed immediate detection of intraventricular hematoma that was promptly treated by simple needle drainage after weaning off cardiopulmonary bypass. Patient's postoperative clinical course was uneventful.
PMID:
16839820
[PubMed - indexed for MEDLINE
Surgical re-utilization of a pulmonary valve graft after failed percutaneous treatment.
No full textJ Heart Valve Dis. 2010 Mar;19(2):260-2.
Surgical re-utilization of a pulmonary valve graft after failed percutaneous treatment.
Vida VL, Speggiorin S, Maschietto N, Padalino MA, Milanesi O, Carminati M, Stellin G.
Source
Department of Pediatric and Congenital Cardiac Surgery, University of Padua, Padua, Italy. [email protected]
Abstract
The case is reported of a 22-year-old woman with severe right ventricular outflow tract (RVOT) homograft regurgitation and stenosis, after the repair of tetralogy of Fallot and complete atrioventricular canal, who was scheduled for percutaneous pulmonary valve implantation. In the catheterization laboratory, immediately after implantation, the stented pulmonary valve became dislodged back into the right ventricle. The patient required an emergency re-sternotomy in the operating room. When the RVOT had been incised the stented valve was rescued and successfully repositioned under direct surgical vision. The patient had an uneventful clinical outcome and was discharged home in good clinical condition, with a new, well-functioning pulmonary valve.
PMID:
20369515
[PubMed - indexed for MEDLINE
Cardiac Herniation After Minimally Invasive Cardiac Surgery An Unusual Potentially Lethal Complication
No full textAortopexy for the treatment of tracheomalacia in children: review of the literature
No full textAbstract Severe tracheomalacia presents a significant challenge for Paediatricians, Intensivists, Respiratory Physicians, Otolaryngologists and Paediatric Surgeons. The treatment of tracheomacia remains controversial, but aortopexy is considered by most to be one of the best options. We conducted a review of the English literature relating to aortopexy. Among 125 papers, 40 have been included in this review. Among 758 patients (62% males) affected with tracheomalacia, 581 underwent aortopexy. Associated co-morbidities were reported in 659 patients. The most frequent association was with oesophageal atresia (44%), vascular ring or large vessel anomalies (18%) and innominate artery compression (16%); in 9% tracheomalacia was idiopathic. The symptoms reported were various, but the most important indication for aortopexy was an acute life-threatening event (ALTE), observed in 43% of patients. The main preoperative investigation was bronchoscopy. Surgical approach was through a left anterior thoracotomy in 72% of patients, while median approach was chosen in 14% and in 1.3% a thoracoscopic aortopexy was performed. At follow-up (median 47 months) more than 80% of the patients improved significantly, but 8% showed no improvement, 4% had a worsening of their symptoms and 6% died. Complications were observed in 15% of patients, in 1% a redo aortopexy was deemed necessary. In our review, we found a lack of general consensus about symptom description and evaluation, indications for surgery, though ALTE and bronchoscopy were considered by all an absolute indication to aortopexy and the gold standard for the diagnosis of tracheomalacia, respectively. Differences were reported also in surgical approaches and technical details, so that the same term “aortopexy” was used to describe different types of procedures. Whatever approach or technique was used, the efficacy of aortopexy was reported as high in the majority of cases (more than 80%). A subgroup of patients particularly delicate is represented by those with associated gastro-esophageal reflux, in whom a fundoplication should be performed. Other treatments of tracheomalacia, particularly tracheal stenting, were associated with a higher rate of failure, severe morbidity and mortality. Non english abstract La tracheomalacia severa rappresenta una sfida per Pediatri, Intensivisti, Pneumologi, Otorinolaringoiatri, Chirurghi Pediatri. Il trattamento della tracheomalacia è tuttora controverso. L’aortopessi è considerata da molti la migliore opzione terapeutica. Abbiamo condotto una revisione della letteratura di lingua inglese su tale argomento. Di 125 lavori, 40 sono stati inclusi nella revisione. Tra 758 pazienti (62% maschi) affetti da tracheomalacia, 581 sono stati sottoposti ad aortopessi tra il 1968 e il 2008. In 659 pazienti alcune comorbidità erano presenti. L’associazione più frequente era con l’atresia esofagea (44%), l’anello vascolare o un’anomalia dei grossi vasi (18%), la compressione da parte dell’arteria innominata (16%); nel 9% la tracheomalacia era idiopatica. I sintomi riportati sono stati variabili, ma l’indicazione più importante all’aortopessi sono stati eventi di ALTE, osservati nel 43% dei pazienti. Lo studio diagnostico preoperatorio principale è stato la broncoscopia. L’approccio chirurgico è avvenuto attraverso una toracotomia anteriore sinistra nel 72% dei pazienti, mentre un approccio mediano è stato scelto nel 14% e nell’1.3% dei casi è stato eseguito un approccio toracoscopico. Al follow-up (mediana di 47 mesi) la maggioranza dei pazienti sono migliorati significativamente, ma l’8% di essi non è migliorato, il 4% è peggiorato e il 6% è morto. Complicazioni sono state riportate nel 15% dei pazienti, nell’1% un nuovo intervento di aortopessi è stato necessario. In questa revisione abbiamo trovato che non c’è un consenso generale sulla valutazione e sulla descrizione dei sintomi, sulle indicazioni chirurgiche ed esami preoperatori, anche se le ALTE e la broncoscopia venivano considerate rispettivamente un’indicazione assoluta all’aortopessi e il “gold standard” diagnostico per la tracheomalacia. Venivano riportate differenze negli approcci chirurgici e nei dettagli tecnici, e lo stesso termine di aortopessi veniva usato per indicare diverse procedure chirurgiche. In ogni caso, indipendentemente dall’approccio o tecnica utilizzati, l’efficacia dell’aortopessi veniva riportata come elevata nella maggioranza dei casi (più dell’80%). Un sottogruppo di pazienti particolarmente delicato è rappresentato da quelli con reflusso gastroesofageo associato, nei quali sarebbe indicata una fundoplicatio. Altri trattamenti della tracheomalacia, quali stent tracheale, sembrano gravati da una maggiore percentuale di insuccessi, morbidità severa e mortalità.</p
A new morphologic classification of congenital tracheobronchial stenosis
No full textBackground: Congenital tracheal stenoses are rare and life-threatening anomalies, associated with considerable variation in both morphology and prognosis. They have been classified previously according to the length of the stenosis or the severity of the symptoms, but not according to bronchial involvement. Methods: Data from patients who underwent slide tracheoplasty for long-segment (>50%) congenital tracheal stenosis were collected. We identified four different types of bronchial arborization (normal, n = 52; tracheal right upper lobe bronchus, n = 10; carina with "trifurcation, " n = 14; and unilateral bronchial and lung agenesis, n = 8). Each type included congenital tracheal (above the carina) or tracheobronchial (extending below the carina) stenosis. Results: Eighty-four children were enrolled in the study. Preoperative ventilation was necessary in 44 patients (52.4%; 75% in patients with a single lung), and preoperative extracorporeal membrane oxygenation was needed in 10 patients (11.9%). Preoperative tracheostomy was present in 3 patients initially treated elsewhere (3.5%), and a left pulmonary artery sling was performed in 44% (37 of 84). The overall mortality was 13% (11 of 84), 7.9% in patients with tracheal stenosis and 28.6% with tracheobronchial stenosis. No deaths occurred in patients with right upper lobe bronchus anatomy. Endoscopic procedures after slide tracheoplasty were required in 34 patients (40.4%). Stents were placed in 18 patients (21.4%), with a higher incidence in those with bronchial trifurcation (42.8%, 6 of 12). Conclusions: This classification appears useful for the morphologic characterization of congenital airway stenosis and could be the benchmark for future prospective studies on the outcome of these patients. © 2012 The Society of Thoracic Surgeons
Congenital absence of cartilaginous tracheal rings associated with esophageal atresia and trifurcated carina: A novel anomaly?
No full textTracheomalacia associated with esophageal atresia (EA) is a well-known condition. However, complete absence of tracheal rings (TRs) is extremely rare. Our aim is to describe a novel triad of conditions and to discuss the best treatment. An expremature male operated for EA presented with severe respiratory distress. The diagnosis of absent cartilage rings, suspected on bronchoscopy, was confirmed by optical coherence tomography. The absence of TRs was localized to a short tracheal segment, and the carina trifurcated into right upper lobe, right intermediate, and left main bronchus. The patient was treated with resection and anastomosis with a completely satisfactory course. Absence of TRs was previously reported by us in 2 other cases, both with associated EA and trifurcation of the carina. One child was treated with tracheostomy and the other with a stent, but the outcome was far from optimal. The patient with tracheostomy eventually underwent resection and anastomosis with tracheostomy closure. Congenital absence of TRs is extremely rare. Although localized, it is responsible for severe symptoms owing to complete tracheal collapse and may be misdiagnosed as tracheomalacia. In our experience, it has been associated with EA and trifurcated carina. Our limited experience suggests resection of the abnormal segment and tracheal anastomosis as the best treatment. © 2012 Elsevier Inc. All rights reserved
Going Beyond Counting First Authors in Author Co-citation Analysis
Full text linkThe present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation
counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings
are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that
only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into
account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed
Surgical outcome of slide tracheoplasty in patients with long congenital segment tracheal stenosis and single lung
No full textObjective: The aim of the study is to assess the surgical outcome of slide tracheoplasty in patients with congenital tracheal stenosis and single lung. Methods: Pre, intra- and postoperative data were collected. Anatomy and associated anomalies were described. Results: Seven patients (median age 5 months; range 39 days-1 year) with single lung underwent slide tracheoplasty. Single right lung was present in four patients. Associated anomalies were present in four patients (56%) including vascular ring, left pulmonary artery (LPA) sling, VACTERL (abnormalities of the vertebrae, anus, cardiovascular tree, trachea, oesophagus, renal system, and limb buds) syndrome, atrial septal defect (ASD) and aberrant left subclavian artery. Six patients (85%) needed preoperative ventilation and two (28%) needed preoperative extracorporeal membrane oxygenation (ECMO). Median postoperative ventilation was 7 days (6-35 days). Two patients needed postoperative ECMO, one of whom required preoperative ECMO. Complications occurred in five patients (71%): reintubation due to pneumothorax, pneumonia and several tracheal dilatations due to recurrent tracheal stenosis, which was eventually stented. There was one hospital death in a patient, who could not be weaned off ECMO due to severe distal malacia. At a median follow-up of 16 months (7 days-7 years), all survivors are in good clinical condition and without additional stenting. Conclusion: Slide tracheoplasty can be performed in patients with single lung and tracheal stenosis with a good surgical outcome. © 2011 European Association for Cardio-Thoracic Surgery
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