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  • Key words: Hematologic malignancy — Hematologic neoplasms — Laparoscopic splenectomy — Laparoscopic surgery — Laparoscopy — Splenectomy  (1)
  • Smoke particles  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Surgical endoscopy and other interventional techniques 10 (1996), S. 152-158 
    ISSN: 1432-2218
    Keywords: Electrocautery smoke ; Smoke particles ; Aerosol impactor ; Laparoscopic surgery
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Background: The objective of this preliminary study was to describe the particles contained in cautery smoke produced during five laparoscopic procedures and verify the collection method during three laboratory experiments on ex vivo animal tissue. Methods: A cascade impactor collected the smoke according to particle size, and particle weights were calculated on an electronic microbalance. Electron microscopic analysis and energy dispersive X-ray evaluation were used to determine particle morphology and elemental composition. Results: The particles, distributed according to size on the seven rotating trays of the impactor, had diameters ranging from 0.05 to 〉25 μm, with most being 0.1–1 μm. In vitro experiments yielded more particles, especially larger (〉5 μm) ones, than the surgical procedures, because the cauterized specimens could be placed much closer to the cascade impactor in the laboratory environment, eliminating most obstacles to particle recovery. In the laparoscopic surgery patients, larger particles, because of their physical properties, were more likely to remain trapped in the abdomen or to drop off in the collection apparatus. Uniformly, two populations of particles were demonstrated—either large, irregular fragments (2–25 μm) rich in carbon and oxygen, suggesting structural cellular components, or small homogeneous spheres (0.1–0.5 μm) composed of sodium, magnesium, calcium, and potassium salts. Conclusions: This study demonstrates the presence of breathable areosols and cell-size fragments in the cautery smoke produced during laparoscopic procedures. Their exact chemical composition and potential adverse effects for patients and personnel are not known.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Surgical endoscopy and other interventional techniques 13 (1999), S. 865-868 
    ISSN: 1432-2218
    Keywords: Key words: Hematologic malignancy — Hematologic neoplasms — Laparoscopic splenectomy — Laparoscopic surgery — Laparoscopy — Splenectomy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Background: Patients with hematologic malignancy (HM) tend to have large spleens. The purpose of this study was to compare the outcomes of laparoscopic splenectomy for patients with HM to those with benign disease (BD). Methods: A review was conducted of a prospectively accumulated database of 64 consecutive, unselected laparoscopic splenectomies performed by two surgeons between March 1992 and August 1997. Results: Of 14 patients with HM (7 lymphoma, 6 leukemia, 1 myeloid metaplasia), three required conversion to open splenectomy (21%). In the remaining 11 patients, two had postoperation complications (18%), including one death from sepsis (9%). Of 50 patients with BD (36 idiopathic thrombocytopenic purpura [ITP], 5 spherocytosis, 4 hemolytic anemia, and 5 others), three were converted to open surgery (6%). Complications developed in 5 (11%) of the remaining 47 patients. No deaths occurred. All patients who had spleens larger than 27 cm in diameter required conversion. Patients undergoing laparoscopic splenectomy for HM were older (54 ± 16 years vs. 36 ± 18 years; p= 0.002), had larger spleens (median 17.0 cm vs. 11.0 cm; p 〈 0.001), and had lower preoperation hemoglobin levels (113 ± 30 g/L vs. 132 ± 23 g/L; p= 0.03) than patients with BD. The HM group required longer operation time (239 ± 73 min vs. 180 ± 61 min; p 〈 0.01), but showed no differences with respect to operation blood loss (median, 100 vs. 165 mL), requirement for transfusion (median, 0.0 vs. 0.0 units), and length of hospital stay (median 3.0 vs. 3.0 days). Conclusions: Although patients with HM had larger spleens and required longer operation time for laparoscopic splenectomy, surgical outcomes were equivalent. The laparoscopic approach should be preferred, even for patients with HM. The only limitation appears to be splenic size greater than 27 cm.
    Type of Medium: Electronic Resource
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