ABSTRACT
Los grupos de trabajo son centrales en las organizaciones actuales, y uno de los procesos más relevantes es el aprendizaje de equipo, su desarrollo y sus antecedentes. El presente estudio tiene dos objetivos principales: 1) analizar el efecto del clima del grupo sobre el desarrollo del aprendizaje de equipo y 2) estudiar el rol modulador de diferentes estresores de equipo (sobrecarga y presión temporal) en dicha relación. Los resultados muestran que el clima del equipo influye de manera concurrente y diferida sobre el aprendizaje. La sobrecarga de trabajo modula la relación entre el apoyo a la innovación y el aprendizaje de equipo al inicio del trabajo en grupo. Sin embargo, la presión temporal no parece tener efectos en dicha relación.
Teams are central work units in organizations. One of the processes that are receiving attention is team learning. The focus is on those processes that can predict team learning and its evolution over time. This study has two objectives. First, analyze team climate effect on team learning development. Second, test the moderator role of team stressors (work overload and time pressure) in the relationship between tem climate and team learning. Results obtained shows that team climate have concurrent and differed effects on team learning. On the other hand, work overload moderates the relationship between support for innovation and team learning at the beginning of teamwork, but time pressure does not have effects in the relationship between team climate and team learning.
Subject(s)
LearningABSTRACT
Myasthenia Gravis is an infrequent disease. Diagnosis and treatment must be done early to avoid high morbidity that can compromise patients lives. Nine cases were identified during the eight year 1990-1997 at the Santo Tomas Hospital of Panama city but one had to be excluded because he refused treatment. Most of the patients (7/8) had symptoms for more than 3 months. The diagnosis of Myasthenia Gravis requires a high index of suspicion and the clinical impressión must be confirmed by various diagnostic studies that include the edrophonium test, the repetitive stimulation test, the therapeutic test with pyridostigmine, the determination of acetylcholine anti-receptor antibodies and a CT Scan of the thorax. Medical treatment consists mainly of anticholinesterase agents and surgical treatment consists of thymectomy by means of an extended transternal ablation. Operative results were excellent, seven out of eight improved
Subject(s)
Humans , Male , Female , Adolescent , Adult , Middle Aged , Myasthenia Gravis/diagnosis , Pyridostigmine Bromide/therapeutic use , Age Distribution , Cholinesterase Inhibitors/therapeutic use , Myasthenia Gravis/drug therapy , Myasthenia Gravis/surgery , ThymectomyABSTRACT
The Human T-Cell lymphotropic virus type I (HTLV-I) is endemic in the Caribbean basin, Japan, Central Africa and South Pacific. It as been associated to Lymphoma-Leukemia of Adult T-Cells (ATLL) and a progressive spastic paraparesis (TSP/HAM). The nationwide seroprevalence of Panama is of 1-2%. We report a case of a 73 year old male, albino, single, patient, Panamanian descendent from Jamaican immigrants who presented a skin disorder which started 1 year ago, characterized by the appearance of infiltrative, intensely pruritic papules, nodules and a non exfoliative erythroderna involving face, neck, trunk and extremities. He also had painless enlarged cervical lymph nodes, non tender hepatomegaly. Laboratory studies revealed a keukocyte count of 128,000/ml wit 67% atypical lymphocytes, serum calcium was 12.5 mg/dl, DL in 583 UNI, [quot ]flower cells[quot ] and atypical lymphocytes with hyperlobulated nuclear contour was observed in the peripheral blood smear, seropositivity to TLV-I detected by enzyme-linked immunosorbent assay (Elisa) and confirmed by Western blot assay. The skin biopsy shows a bandlike dermal infiltrates of atypical lymphoid cells with epidermotropism and Pautrier's microabscesses. Once the treatment was initiated with prednisone, cyclophosphamide, and systemic antibiotics for a bronchopneumonic process most of the cutaneous lesions cleared up although the clinical condition of our patient became progressively worse and died after a acute renal failure and a lower gastrointestinal bleeding. In 1986, the tree first cases of ATLL were identified in Panama, there has not been apparently new cases reported until now
Subject(s)
Humans , Male , Aged , Leukemia-Lymphoma, Adult T-Cell/pathology , Skin Neoplasms/pathologyABSTRACT
Dystonia is a neurologic disease characterized by involuntary repetitive muscular contractions which frequently causes torsion, spasmodic movements or abnormal postures. Pharmacologic and surgical treatment had been unsatisfactory in the majority of the cases. Intramuscular botulinic toxin application in focal dystonia disorders, achieve relief in approximately 90% of the cases by quimiodenervation. We included 35 patients with focal dystonia treated between November 1994 through June 1996: 14 facial hemispasm, nine blepharospasm, five cervical dystonia, two writer's cramps, one oromandibular dystonia and four patients with mixed focal dystonia. Improvement between 50-90% was observed in 32/34 (94%) of the patients; one case (2.8%) with therapeutic failure and one case (2.8%) never returned to quantify the response. Actually, botulinic toxin is the first choice treatment of focal dystonia and other diseases related to involuntary muscle spasm