PubMed · 491094
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Y Kurata, T Tsubakio, T Kitani. 1979-06-29. [Thrombokinetics].. https://pubmed.ncbi.nlm.nih.gov/491094/
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A 51-year-old obese woman who had just undergone a second osteotomy for arthrosis of the hip joint was given unfractionated heparin, 7,500 IU subcutaneously three times daily, as thrombosis prophylaxis. Signs of fulminant pulmonary embolism occurred on the 16th postoperative day with a platelet count of 33,000/microliters. Suspected heparin-induced thrombocytopenia and thrombosis (HITT) was confirmed by platelet tests. When heparin had been discontinued immunoglobulin G was administered, seven times 5 g intravenously, in view of the immunological genesis of HITT. In addition thrombolysis treatment with streptokinase combined with phenprocoumon was undertaken, until satisfactory anticoagulation was achieved after 4 days. Platelet count rose to 136,000/microliters within 20 hours of the first immunoglobulin dose. Complete clinical normality was restored, scintigraphy showed no perfusion deficit in the lungs.
Hematopoietic stem cells circulate in the peripheral blood. These cells can be collected by apheresis techniques either in the unperturbed state, after mobilization following the administration of cytokines like G-CSF or GM-CSF, or during the phase of early blood count recovery following chemotherapy-induced myelosuppression. The number of cells collected following mobilization is greater than that obtained after apheresis in the unperturbed state. There are, however, qualitative differences between unperturbed and mobilized cells. Chemotherapy related mobilization can be potentially dangerous in that severe myelosuppression necessary to achieve mobilization can have serious consequences. There are no controlled studies that evaluate the relative merits of each method of collection. Regardless of the techniques employed peripheral blood stem cells can reliably accelerate hematologic recovery after potentially myeloblative therapy and provide an alternative to bone marrow support.
This study compared the use of conventional urine microscopy, the KOVA system, Neubauer hemacytometry, and the Yellow IRIS for the determination of white blood cell (WBC) and red blood cell (RBC) counts in urine samples. Both KOVA WBC and RBC counts correlated better with the IRIS counts than with conventional microscopy. KOVA WBC counts correlated with Neubauer hemacytometry to the same degree as they did with IRIS WBC counts. The RBC count correlation was fairly similar between KOVA, hemacytometry, and the conventional method. It was concluded that the KOVA system is a suitable replacement for conventional urine microscopy.