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Puślecki M, Ligowski M, Stefaniak S, Dąbrowski M, Zieliński M, Pawlak A, Kłosiewicz T, Sip M, Karczewski M, Małkiewicz T, Gąsiorowski Ł, Telec W, Ładzińska M, Baumgart K, Ładziński P, Perek B, Misterski M, Mrówczyński W, Sobczyński P, Kiel-Puślecka I, Buczkowski P, Kiel M, Czekajlo M, Jemielity M. "Extracorporeal Membrane Oxygenation for Greater Poland" Program: How to Save Lives and Develop Organ Donation? Transplant Proc 2018; 50:1957-1961. [PMID: 30177087 DOI: 10.1016/j.transproceed.2018.02.159] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2017] [Accepted: 02/06/2018] [Indexed: 01/09/2023]
Abstract
The "ECMO for Greater Poland" program takes full advantage of the extracorporeal membrane oxygenation (ECMO) perfusion therapy opportunities to promote the health of the 3.5 million inhabitants in the region. The main implementation areas are treatment of patients with hypothermia; severe reversible respiratory failure (RRF); critical states resulting in heart failure, that is, cardiac arrest, cardiogenic shock, or acute intoxication; and promotion of the donor after circulatory death (DCD) strategy in selected organ donor cases, after unsuccessful life-saving treatment, to achieve organ recovery. This organizational model is complex and expensive, so we used advanced high-fidelity medical simulation tests to prepare for real-life experience. Over the course of 4 months we performed scenarios including "ECMO for DCD," "ECMO for extended cardiopulmonary resuscitation," "ECMO for RRF," and "ECMO in hypothermia." Soon after these simulations, Maastricht category II DCD procedures were performed involving real patients and resulting in 2 successful double kidney transplantations for the first time in Poland. One month later we treated 2 hypothermia patients (7 adult patients with heart failure and 5 patients with reversible respiratory failure) with ECMO for the first time in the region. Fortunately, we have discovered an important new role of medical simulation. It can be used not only for skills testing but also as a tool to create non-existing procedures and unavailable algorithms. The result of these program activities will promote the care and treatment of patients in critical condition with ECMO therapy as well as increase the potential organ pool from DCDs in the Greater Poland region of Poland.
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Affiliation(s)
- M Puślecki
- Department of Medical Rescue, Poznan University of Medical Sciences, Poznan, Poland; Department of Cardiac Surgery and Transplantology, Poznan University of Medical Sciences, Clinical Hospital SKPP, Poznan, Poland.
| | - M Ligowski
- Department of Cardiac Surgery and Transplantology, Poznan University of Medical Sciences, Clinical Hospital SKPP, Poznan, Poland
| | - S Stefaniak
- Department of Cardiac Surgery and Transplantology, Poznan University of Medical Sciences, Clinical Hospital SKPP, Poznan, Poland
| | - M Dąbrowski
- Department of Medical Rescue, Poznan University of Medical Sciences, Poznan, Poland; Polish Society of Medical Simulation, Poland
| | - M Zieliński
- Department of Medical Rescue, Poznan University of Medical Sciences, Poznan, Poland; Voivodeship Medical Station, Poznan, Poland
| | - A Pawlak
- Polish Society of Medical Simulation, Poland
| | - T Kłosiewicz
- Department of Medical Rescue, Poznan University of Medical Sciences, Poznan, Poland; Polish Society of Medical Simulation, Poland
| | - M Sip
- Department of Medical Rescue, Poznan University of Medical Sciences, Poznan, Poland; Polish Society of Medical Simulation, Poland
| | - M Karczewski
- Department of Transplantology, General, Vascular and Plastic Surgery, Poznan University of Medical Sciences, Poznan, Poland
| | - T Małkiewicz
- Department of Anesthesiology and Intensive Care, Poznan University of Medical Sciences, Clinical Hospital H, Święcickiego, Poznan, Poland
| | - Ł Gąsiorowski
- Department of Medical Rescue, Poznan University of Medical Sciences, Poznan, Poland; Polish Society of Medical Simulation, Poland; Poznan University of Medical Sciences, Center for Medical Simulation Poznan, Poznan, Poland
| | - W Telec
- Department of Medical Rescue, Poznan University of Medical Sciences, Poznan, Poland
| | - M Ładzińska
- Department of Cardiac Surgery and Transplantology, Poznan University of Medical Sciences, Clinical Hospital SKPP, Poznan, Poland
| | - K Baumgart
- Department of Cardiac Surgery and Transplantology, Poznan University of Medical Sciences, Clinical Hospital SKPP, Poznan, Poland
| | - P Ładziński
- Department of Pediatric Cardiac Surgery, Poznan University of Medical Sciences, Poznan, Poland
| | - B Perek
- Department of Cardiac Surgery and Transplantology, Poznan University of Medical Sciences, Clinical Hospital SKPP, Poznan, Poland
| | - M Misterski
- Department of Cardiac Surgery and Transplantology, Poznan University of Medical Sciences, Clinical Hospital SKPP, Poznan, Poland
| | - W Mrówczyński
- Department of Pediatric Cardiac Surgery, Poznan University of Medical Sciences, Poznan, Poland
| | - P Sobczyński
- Department of Anesthesiology and Intensive Care, Poznan University of Medical Sciences, Clinical Hospital SKPP, Poznan, Poland
| | - I Kiel-Puślecka
- Department of Palliative Medicine, Poznan University of Medical Sciences, Poznan, Poland
| | - P Buczkowski
- Department of Cardiac Surgery and Transplantology, Poznan University of Medical Sciences, Clinical Hospital SKPP, Poznan, Poland
| | - M Kiel
- IT WORKS, Wrocław, Poland
| | - M Czekajlo
- Department of Surgery, Hunter Holmes McGuire VA Medical Center, Richmond, VA; Lublin Medical University, Lublin, Poland
| | - M Jemielity
- Department of Cardiac Surgery and Transplantology, Poznan University of Medical Sciences, Clinical Hospital SKPP, Poznan, Poland
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Bystricka D, Lenz O, Mraz I, Piherova L, Kmoch S, Sip M. Oligonucleotide-based microarray: a new improvement in microarray detection of plant viruses. J Virol Methods 2005; 128:176-82. [PMID: 15927276 DOI: 10.1016/j.jviromet.2005.04.009] [Citation(s) in RCA: 58] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2004] [Revised: 04/15/2005] [Accepted: 04/17/2005] [Indexed: 11/22/2022]
Abstract
Microarrays are one of the new emerging methods in plant virology currently being developed by various laboratories. In this study, a new approach is described on the detection of plant viruses using short synthetic single-stranded oligomers (40 nt) instead of PCR products as capture probes. A microchip detecting potato viruses, PVA, PVS, PVM, PVX, PVY and PLRV, in both single and mixed infections was developed and tested. The chip was also designed to distinguish between the main strains of PVY and PVS. Results of initial tests with PVY(NTN) and PVY(O) strains using several different probes for one virus are presented. Possibilities and advantages of the new oligonucleotide-based microarray approach for plant viral diagnosis are discussed.
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Affiliation(s)
- D Bystricka
- Institute of Plant Molecular Biology, Academy of Sciences of the Czech Republic, Branisovska 31, 370 05 Ceske Budejovice, Czech Republic
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Vanecek T, Vorel F, Sip M. Mitochondrial DNA D-loop hypervariable regions: Czech population data. Int J Legal Med 2003; 118:14-8. [PMID: 14593483 DOI: 10.1007/s00414-003-0407-2] [Citation(s) in RCA: 38] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2003] [Accepted: 09/29/2003] [Indexed: 11/26/2022]
Abstract
In order to identify polymorphic sites and to find out their frequencies and the frequency of haplotypes, the complete D-loop of mitochondrial DNA (mtDNA) from 93 unrelated Czech Caucasians was sequenced. Sequence comparison showed that 85 haplotypes were found and of these 78 were unique, 6 were observed twice and 1 was observed three times. Genetic diversity (GD) was estimated at 0.999 and the probability of two randomly selected sequences matching (random match probability, RMP) at 1.2%. Additionally these calculations were carried out for hypervariable regions 1, 2 (HV1, HV2), for the area between HV1 and HV2 and for the area of the hypervariable region HV3. The average number of nucleotide differences (ANND) was established to be 10.2 for the complete D-loop. The majority of sequence variations were substitutions, particularly transitions. Deletions were found only in the region where HV3 is situated and insertions in the same place and in poly-C tracts between positions 303 and 315 in HV2. A high degree of length heteroplasmy was found especially in the regions of poly-C tracts between positions 16184 and 16193 in HV1 and between positions 303 and 315 in HV2. Position heteroplasmies were found in two cases.
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Affiliation(s)
- T Vanecek
- Sikl's Department of Pathology, Charles University Hospital, Pilsen, Czech Republic
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Payet D, Gaucheron F, Sip M, Leng M. Instability of the monofunctional adducts in cis-[Pt(NH3)2(N7-N-methyl-2-diazapyrenium)Cl](2+)-modified DNA: rates of cross-linking reactions in cis-platinum-modified DNA. Nucleic Acids Res 1993; 21:5846-51. [PMID: 8290343 PMCID: PMC310464 DOI: 10.1093/nar/21.25.5846] [Citation(s) in RCA: 45] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023] Open
Abstract
Single- and double-stranded oligonucleotides containing a single monofunctional cis-[Pt(NH3)2(dG)(N7-N-methyl-2-diazapyrenium)]3+ adduct have been studied at two NaCl concentrations. In 50 mM and 1 M NaCl, the adducts within the single-stranded oligonucleotides are stable. In contrast, they are unstable within the corresponding double-stranded oligonucleotides. In 50 mM NaCl, the bonds between platinum and guanine or N-methyl-2,7-diazapyrenium residues are cleaved and subsequently, intra- or interstrand cross-links are formed as in the reaction between DNA and cis-DDP. In 1 M NaCl, the main reaction is the replacement of N-methyl-2,7-diazapyrenium residues by chloride which generates double-stranded oligonucleotides containing a single monofunctional cis-[Pt(NH3)2(dG)Cl]+ adduct. The rates of closure of these monofunctional adducts to bifunctional cross-links have been studied in 60 mM NaClO4. Within d(TG.CT/AGCA), d(CG.CT/AGCG) and d(AG.CT/AGCT) (the symbol.indicates the location of the adducts in the central sequences of oligonucleotides), the half-lifes (t1/2) of the cis-[Pt(NH3)2(dG)Cl]+ adducts are respectively 12, 6 and 2.8 hr and the cross-linking reactions occur between guanine residues on the opposite strands. Within d(AG.TC/GACT), d(CG.AT/ATCG) and d(TGTG./CACA) or d(TG.TG/CACA) t1/2 are respectively 1.6, 8 and larger than 20 hr and the intrastrand cross-links are formed at the d(AG), d(GA) and d(GTG) sites, respectively. The conclusion is that the rates of conversion of cis-platinum-DNA monofunctional adducts to minor bifunctional cross-links are dependent on base sequence. The potential use of the instability of cis-[Pt(NH3)2(dG)(N7-N-methyl-2-diazapyrenium)]3+ adducts is discussed in the context of the antisense strategy.
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Affiliation(s)
- D Payet
- Centre de Biophysique Moléculaire, CNRS, Orléans, France
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Abstract
A 22 base pair double-stranded oligonucleotide containing a unique interstrand adduct resulting from chelation of the two guanine residues within the central sequence d(TGCT/AGCA) by a cis-platinum residue has been studied by means of gel electrophoresis, chemical probes, and molecular mechanics. The anomalously slow electrophoretic mobility of the multimers of the platinated and ligated oligomers suggests that the platinated oligonucleotide is bent. The two cytosine residues (complementary to the platinated guanines) are hyperreactive to hydroxylamine, indicating a large exposure of the two bases to the solvent. The adduct does not induce a local denaturation within the flanking sequences since the adenine residues are not reactive with diethyl pyrocarbonate. This is confirmed by the nonreactivity of the complementary T residues with osmium tetraoxide. These results and the molecular mechanics modeling suggest that the interstrand adduct bends the double helix by approximately 55 degrees toward the major groove, that the double helix conserves its average twist angle, and that the distortion induced by the adduct is localized at the platinated sequence d(GC/CG).
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Affiliation(s)
- M Sip
- Centre de Biophysique Moléculaire, CNRS, Orléans, France
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Malinge JM, Sip M, Blacker AJ, Lehn JM, Leng M. Formation of a DNA monofunctional cis-platinum adduct cross-linking the intercalating drug N-methyl-2,7-diazapyrenium. Nucleic Acids Res 1990; 18:3887-91. [PMID: 2374713 PMCID: PMC331090 DOI: 10.1093/nar/18.13.3887] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
Our purpose was to better understand the mutual influence of cis-diamminedichloroplatinum (II) (cis-DDP) and intercalating drugs in their interactions with DNA. The present study deals with the intercalating drug N-methyl-2,7-diazapyrenium (MDAP). Two sets of experiments have been performed. In one set, the reaction between cis-DDP and nucleic acid was carried out in the presence of MDAP. The main adduct is a guanine residue chelated by platinum to a MDAP residue. It has the same spectroscopic properties as the synthesized compound cis-[Pt (NH3)2 (N7-d-guanosine) (N7-MDAP)] , the structure of which has been determined by 1H NMR. This adduct was only formed with double-stranded nucleic acids which reveals the importance of DNA matrix in orienting favorably the reactants. In the second set of experiments, the triamine complex cis-[Pt(NH3)2 (MDAP)CI]++ was reacted with the nucleic acids. At molar ratios drug over nucleotide residue equal or less than 0.10, all the added triamine complexes bind by covalent coordination to double-stranded nucleic acids. With natural DNA, the major adduct is cis-[Pt(NH3)2(d-guanosine) (MDAP)] . Thus the same adduct is formed on one hand in the reaction between DNA, MDAP and cis-DDP and on the other hand in the reaction between the triamine complex and DNA. The triamine complex offers the possibility to study the biological role of the new adduct.
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Affiliation(s)
- J M Malinge
- Centre de Biophysique Moléculaire, CNRS, Orléans, France
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