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Kabalkin Y, Gil M, Lifshitz E, Moav A, Kabessa M, Jaber S, Broder EE, Bentov Y, Assaf B, Solnica A, Walfisch A, Holzer H, Klement AH. O-225 Effects of SARS-Corona virus 2 on IVF treatment parameters: A cohort study of post COVID-19 patients. Hum Reprod 2021. [DOI: 10.1093/humrep/deab128.049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Study question
Does recovery from SARS–Corona virus 2 (SARS–CoV-2) infection negatively effect IVF cycle parameters?
Summary answer
Female IVF treatment parameters were comparable to the pre-Covid-19 infection cycle performance. Sperm concentration and motility demonstrated lower mean counts following Covid-19 infection.
What is known already
Corona-virus disease-19 (Covid-19) is a global pandemic caused by SARS–Corona virus 2 (SARS–CoV-2). The virus primarily affects the respiratory system, but other systemic and immune mediated effects have been reported. The spikes of SARS-CoV-2 have strong affinity for the Angiotensin converting enzyme (ACE) 2 receptor, leading to an increased Angiotensin II (Ang II) mediated pro-inflammatory response. ACE2 receptors exist in the human reproductive tract (more in males) and pose a regulatory role together with Ang II. So far, reports have been inconsistent regarding testicular effects. Other implications involving fertility and fertility treatment post infection are scarce.
Study design, size, duration
In this retrospective cohort study, IVF cycle performance was compared before and after Corona-virus disease-19. Patients were included only in cases where an IVF cycle was initiated within 3 months of Covid-19 recovery, between March 2020-December 2020.
Participants/materials, setting, methods
The study was conducted in a University affiliated IVF unit. Post Covid- 19 cycle parameters were compared to previous cycles of the same individual prior to infection. If previous cycles were not available, parameters were compared to non-exposed patients of same age, same treatment and identical indication. Sperm concentration and motility were compared before and after infection. Non exposure was defined by a lack of past Covid-19 diagnosis and a negative PCR throughout the treatment.
Main results and the role of chance
All together, including the matched cycles, we compared 40 cycles which started within 3 months of recovery: 26 fresh stimulation cycles and 14 frozen thawed transfer cycles. In 28 of these cycles the patient could serve as its own control. Mean age for the female partner was 33.2 years ±6.5 years. Eight male partners presented post infection and provided fresh samples for a cycle involving fertilization. We compared stimulation parameters including maximal Estradiol level, stimulation length, FSH dosage, number of oocytes retrieved, fertilization rates, number of embryos created, high quality embryo number and endometrial thickness. All of these were comparable to non-exposed cycles (generalized estimating equations, p values >0.1). No complications were recorded, specifically no thromboembolic events or respiratory complications. A total of 8 patients conceived: 1 was a chemical pregnancy, 1 extra-uterine pregnancy, 3 miscarriages and 3 ongoing, of those 1 was complicated by early bleeding. Male sperm analyses showed a trend towards lower post disease parameters, not reaching a statistical significance: 23mil/ml compared to 13.6 and 20.7% progressive motility compared to 12.3% (p values 0.09 and 0.17, respectively).
Limitations, reasons for caution
Current results are based on a small sample size, still insufficient for deducing definite conclusions or guidelines. Pregnancy outcome following IVF treatment in Covid-19 recoverees should further be studied. By the time of the conference, the number of cases is expected to be significantly higher.
Wider implications of the findings
This study provides preliminary data regarding the effects of SARS-COV-2 infection on IVF treatment outcomes. Despite the small sample size, treatment parameters seem unaffected, however, sperm performance seems to be compromised. Health policy and patients’ decisions regarding whether or not to postpone IVF procedures necessitates additional data.
Trial registration number
Not applicable - retrospective
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Affiliation(s)
- Y Kabalkin
- Hadassah Medical Centre, Ob Gyn, Jerusalem, Israel
| | - M Gil
- Hadassah Medical Centre, Ob Gyn, Jerusalem, Israel
| | - E Lifshitz
- Hadassah Medical Centre, Ob Gyn, Jerusalem, Israel
| | - A Moav
- Hadassah Medical Centre, Ob Gyn, Jerusalem, Israel
| | - M Kabessa
- Hadassah Medical Centre, Ob Gyn, Jerusalem, Israel
| | - S Jaber
- Hadassah Medical Centre, Ob Gyn, Jerusalem, Israel
| | | | - Y Bentov
- Hadassah Medical Centre, Ob Gyn, Jerusalem, Israel
| | - B Assaf
- Hadassah Medical Centre, Ob Gyn, Jerusalem, Israel
| | - A Solnica
- Hadassah Medical Centre, Ob Gyn, Jerusalem, Israel
| | - A Walfisch
- Hadassah Medical Centre, Ob Gyn, Jerusalem, Israel
| | - H Holzer
- Hadassah Medical Centre, Ob Gyn, Jerusalem, Israel
| | - A. Hershko Klement
- The Hebrew University Medical school, The IVF unit- Hadassah Mt. Scopus, Kiryat Ono, Israel
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Affiliation(s)
- M. Bashouti
- Department of Chemistry, Russel Berrie Nanotechnology Institute and Solid State Institute, Technion-Israel Institute of Technology, Haifa, Israel, 32000
| | - E. Lifshitz
- Department of Chemistry, Russel Berrie Nanotechnology Institute and Solid State Institute, Technion-Israel Institute of Technology, Haifa, Israel, 32000
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Lifshitz E, Brumer M, Kigel A, Sashchiuk A, Bashouti M, Sirota M, Galun E, Burshtein Z, Le Quang AQ, Ledoux-Rak I, Zyss J. Air-Stable PbSe/PbS and PbSe/PbSexS1-xCore−Shell Nanocrystal Quantum Dots and Their Applications†. J Phys Chem B 2006; 110:25356-65. [PMID: 17165982 DOI: 10.1021/jp0644356] [Citation(s) in RCA: 143] [Impact Index Per Article: 7.9] [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: 11/28/2022]
Abstract
The optical properties and functionality of air-stable PbSe/PbS core-shell and PbSe/PbSexS1-x core-alloyed shell nanocrystal quantum dots (NQDs) are presented. These NQDs showed chemical robustness over months and years and band-gap tunability in the near infrared spectral regime, with a reliance on the NQD size and composition. Furthermore, these NQDs exhibit high emission quantum efficiencies of up to 65% and an exciton emission band that is narrower than that of the corresponding PbSe NQDs. In addition, the emission bands showed a peculiar energy shift with respect to the relevant absorption band, changing from a Stokes shift to an anti-Stokes shift, with an increase of the NQD diameter. The described core-shell structures and the corresponding PbSe core NQDs were used as passive Q-switches in eye-safe lasers of Er:glass, where they act as saturable absorbers. The absorber saturation investigations revealed a relatively large ground-state cross-section of absorption (sigma gs = 10(-16) - 10(-15) cm2) and a behavior of a "fast" absorber with an effective lifetime of tau eff approximately 4.0 ps is proposed. This lifetime is associated with the formation of multiple excitons at the measured pumping power. The product of sigma gs and tau eff enables sufficient Q-switching performance and tunability in the near infrared spectral regime. The amplified spontaneous emission properties of PbSe NQDs were examined under continuous illumination by a diode laser at room temperature, suitable for standard device conditions. The results revealed a relatively large gain parameter (g = 2.63 - 6.67 cm-1). The conductivity properties of PbSe NQD self-assembled solids, annealed at 200 degrees C, showed an Ohmic behavior at the measured voltages (up to 30 V), which is governed by a variable-range-hopping charge transport mechanism.
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Affiliation(s)
- E Lifshitz
- Department of Chemistry, Solid State Institute, and the Russell Berrie Nanotechnology Institute, Technion, Haifa 32000, Israel.
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Bashouti M, Salalha W, Brumer M, Zussman E, Lifshitz E. Alignment of Colloidal CdS Nanowires Embedded in Polymer Nanofibers by Electrospinning. Chemphyschem 2006; 7:102-6. [PMID: 16363016 DOI: 10.1002/cphc.200500428] [Citation(s) in RCA: 87] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- M Bashouti
- Department of Chemistry and Solid State Institute, Technion, Haifa 32000, Israel
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Kigel A, Brumer M, Sashchiuk A, Amirav L, Lifshitz E. PbSe/PbSexS1−x core-alloyed shell nanocrystals. Materials Science and Engineering: C 2005. [DOI: 10.1016/j.msec.2005.06.010] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Abstract
The review describes the studies of the magneto-optical properties of II-VI and III-V semiconductor nanocrystals (NCs) capped with organic or inorganic epitaxial shells. The investigations focused on the chemical identification of localization sites (core, shell, or interface) of photogenerated carriers in spherical NCs and elucidated the influence of the surface/interface quality on the optical properties of the materials. Optically detected magnetic resonance (ODMR) spectroscopy was used for the study of the proposed physical properties. The ODMR method provides the means to identify the surface/interface sites and correlate them with specific optical transition. In addition, this method reveals information about the spin multiplicity of band edge and trapped states and the electron-hole exchange interaction, determines the spectroscopic g-factors, distinguishes between the radiative and nonradiative characteristic of a trapping site, and evaluates the spin-lattice relaxation times.
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Affiliation(s)
- E Lifshitz
- Department of Chemistry and Solid State Institute, Technion, Haifa 32000, Israel.
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Gokhberg K, Glozman A, Lifshitz E, Maniv T, Schlamp MC, Alivisatos P. Electron (hole) paramagnetic resonance of spherical CdSe nanocrystals. J Chem Phys 2002. [DOI: 10.1063/1.1491407] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Lifshitz E, Francis AH. Analysis of the ESR spectrum of manganese(II) impurity centers in the layered compound cadmium phosphide sulfide (CdPS3). ACTA ACUST UNITED AC 2002. [DOI: 10.1021/j100221a015] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Lifshitz E, Bykov L. Continuous-wave, microwave-modulated, and thermal-modulated photoluminescence studies of the BiI3 layered semiconductor. ACTA ACUST UNITED AC 2002. [DOI: 10.1021/j100014a004] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Lifshitz E, Bykov L, Yassen M. An Optically Detected Magnetic Resonance Study of Laser Ablation Grown PbI2 Epitaxial Films. ACTA ACUST UNITED AC 2002. [DOI: 10.1021/j100041a049] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Boerio-Goates J, Lifshitz E, Francis AH. Electronic spectroscopy of nearly octahedrally coordinated manganese in manganese phosphide sulfide (MnPS3) and cadmium phosphide sulfide (CdPS3) lattices. Inorg Chem 2002. [DOI: 10.1021/ic50223a052] [Citation(s) in RCA: 20] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Lifshitz E, Yassen M, Bykov L, Dag I, Chaim R. Photodecomposition and Regeneration of PbI2 Nanometer-Sized Particles, Embedded in Porous Silica Films. ACTA ACUST UNITED AC 2002. [DOI: 10.1021/j100004a026] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Lifshitz E, Goldfarb D, Vega S, Luz Z, Zimmermann H. Deuterium and carbon-13 NMR of the solid polymorphism of benzenehexoyl hexa-n-hexanoate. J Am Chem Soc 2002. [DOI: 10.1021/ja00258a006] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Langof L, Ehrenfreund E, Lifshitz E, Micic OI, Nozik AJ. Continuous-Wave and Time-Resolved Optically Detected Magnetic Resonance Studies of Nonetched/Etched InP Nanocrystals. J Phys Chem B 2002. [DOI: 10.1021/jp013720g] [Citation(s) in RCA: 49] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Glozman A, Lifshitz E. Optically detected spin and spin-orbital resonance studies of CdSe/CdS core-shell nanocrystals. Materials Science and Engineering: C 2001. [DOI: 10.1016/s0928-4931(01)00226-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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Sirota M, Minkin E, Lifshitz E, Hensel V, Lahav M. Spectroscopic Properties of Molecular-Wire/Semiconductor Nanocrystalline Superstructures. J Phys Chem B 2001. [DOI: 10.1021/jp004541m] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Lifshitz E, Glozman A, Litvin ID, Porteanu H. Optically Detected Magnetic Resonance Studies of the Surface/Interface Properties of II−VI Semiconductor Quantum Dots. J Phys Chem B 2000. [DOI: 10.1021/jp000876s] [Citation(s) in RCA: 51] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- E. Lifshitz
- Department of Chemistry and Solid State Institute, Technion, Haifa 32000, Israel, and Physik-Department E 16, Technische Universitaet Muenchen, 85747 Garching, Germany
| | - A. Glozman
- Department of Chemistry and Solid State Institute, Technion, Haifa 32000, Israel, and Physik-Department E 16, Technische Universitaet Muenchen, 85747 Garching, Germany
| | - I. D. Litvin
- Department of Chemistry and Solid State Institute, Technion, Haifa 32000, Israel, and Physik-Department E 16, Technische Universitaet Muenchen, 85747 Garching, Germany
| | - H. Porteanu
- Department of Chemistry and Solid State Institute, Technion, Haifa 32000, Israel, and Physik-Department E 16, Technische Universitaet Muenchen, 85747 Garching, Germany
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Abstract
BACKGROUND Dysuria is one of the most common presenting complaints of young women, and urinalysis is one of the most common laboratory tests performed. Despite the fact that the midstream clean-catch technique is commonly used for urine collection, contaminated urine cultures occur with distressing regularity. The midstream clean-catch technique is time-consuming to explain, frequently not performed correctly by patients, costly for supplies, often embarrassing for patients and staff, and of unproven benefit. Therefore, we designed a study to compare various methods of obtaining specimens for culture from acutely dysuric young women. METHODS A total of 242 consecutive female patients who presented with symptoms suggestive of a urinary tract infection were randomized into 3 groups. The first group (n = 77) was instructed to urinate into a clean container. No cleansing was done, and the specimen was not obtained midstream. The second group (n = 84) was instructed to collect a midstream urine sample with perineal cleansing and spreading of the labia. In an attempt to decrease contamination from the vagina, the third group (n = 81) was given the same instructions as group 2, with the addition of using a vaginal tampon. Contamination rates were calculated for all 3 groups. RESULTS Contamination rates for the 3 groups were nearly identical (29%, 32%, and 31%, respectively). Comparing the no-cleansing group with the combined cleansing, midstream groups also showed no difference in contamination rates (28.6% and 31.5%, respectively, with P =.65). CONCLUSIONS In young, outpatient women with symptoms suggestive of a urinary tract infection, the midstream clean-catch technique does not decrease contamination rates.
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Affiliation(s)
- E Lifshitz
- Rutgers University Health Services, University of Medicine and Dentistry of New Jersey-Robert Wood Johnson Medical School, New Brunswick, NJ, USA
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Lifshitz E, Porteanu H, Glozman A, Weller H, Pflughoefft M, Echymüller A. Optically Detected Magnetic Resonance Study of CdS/HgS/CdS Quantum Dot Quantum Wells. J Phys Chem B 1999. [DOI: 10.1021/jp990349c] [Citation(s) in RCA: 57] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Lifshitz E, Dag I, Litvitn ID, Hodes G. Optically Detected Magnetic Resonance Study of Electron/Hole Traps on CdSe Quantum Dot Surfaces. J Phys Chem B 1998. [DOI: 10.1021/jp981880v] [Citation(s) in RCA: 69] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- E. Lifshitz
- Department of Chemistry and Solid State Institute, Technion, Haifa, 32000, Israel
| | - I. Dag
- Department of Chemistry and Solid State Institute, Technion, Haifa, 32000, Israel
| | - I. D. Litvitn
- Department of Chemistry and Solid State Institute, Technion, Haifa, 32000, Israel
| | - G. Hodes
- Department of Materials and Interfaces, The Weizmann Institute of Science, Rehovot, 76100, Israel
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Lifshitz E, Dag I, Litvin I, Hodes G, Gorer S, Reisfeld R, Zelner M, Minti H. Optical properties of CdSe nanoparticle films prepared by chemical deposition and sol–gel methods. Chem Phys Lett 1998. [DOI: 10.1016/s0009-2614(98)00283-8] [Citation(s) in RCA: 109] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Lifshitz E, Kaplan A, Ehrenfreund E, Meissner D. Optical and Magnetooptical Measurements of N,N‘-Dimethylperylene-3,4,9,10-tetracarboxylic Acid Diimide Thin Films. J Phys Chem B 1998. [DOI: 10.1021/jp972505q] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- E. Lifshitz
- Department of Chemistry and Solid State Institute, Technion, Haifa, 32000, Israel
| | - A. Kaplan
- Department of Chemistry and Solid State Institute, Technion, Haifa, 32000, Israel
| | - E. Ehrenfreund
- Department of Physics and Solid State Institute, Technion, Haifa 32000, Israel
| | - D. Meissner
- Institut fur Energieverfahrenstechnik, Forschungszentrum Julich GmbH (KFA), Postfach 1913, D-52425, Julich, Germany
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Lifshitz E, Bykov L, Yassen M, Chen-Esterlit Z. The investigation of donor and acceptor states in nanoparticles of the layered semiconductor PbI2. Chem Phys Lett 1997. [DOI: 10.1016/s0009-2614(97)00605-2] [Citation(s) in RCA: 20] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Affiliation(s)
- I. Dag
- Department of Chemistry and Solid State Institute, Technion, Haifa 32000, Israel
| | - E. Lifshitz
- Department of Chemistry and Solid State Institute, Technion, Haifa 32000, Israel
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Chen-Esterlit Z, Lifshitz E, Cohen E, Pfeiffer LN. Microwave modulation of circularly polarized exciton photonluminescence in GaAs/AlAs multiple quantum wells. Phys Rev B Condens Matter 1996; 53:10921-10927. [PMID: 9982664 DOI: 10.1103/physrevb.53.10921] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
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Sibley S, Francis A, Lifshitz E, Clément R. Magnetic resonance studies of intercalated, two-dimensional transition metal chalcogenophosphate lattices. Colloids Surf A Physicochem Eng Asp 1994. [DOI: 10.1016/0927-7757(93)02622-l] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Cohen H, Folman M, Maniv T, Brener R, Lifshitz E, Esterlit Z. Electronic excitations in SnS2: An electron-energy-loss-spectroscopy study. Phys Rev B Condens Matter 1992; 46:4446-4455. [PMID: 10004198 DOI: 10.1103/physrevb.46.4446] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
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Goldfarb D, Lifshitz E, Zimmermann H, Luz Z. The polymorphic phases of the hexaalkanoyloxytriphenylene liquid crystals, as studied by deuterium NMR spectroscopy. J Chem Phys 1985. [DOI: 10.1063/1.448640] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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