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At least 829 records · Page 46Linked to original sources
PubMed1999

Fertility after hysteroscopic resection of submucous myomas.

STUDY OBJECTIVE: To analyze fertility outcomes after resection of submucous myomas by operative hysteroscopy in infertile women. DESIGN: Retrospective analysis (Canadian Task Force classification II-2). SETTING: Academic tertiary referral center. PATIENTS: Forty-one women (age 28-42 yrs) old with primary and secondary infertility, and histologically proved submucous myomas. Intervention. Hysteroscopic myomectomy performed with a rigid resectoscope. MEASUREMENTS AND MAIN RESULTS: Of the 41 patients, 25 (60.9%) became pregnant overall and 20 (48.7%) delivered at term. Seventeen patients delivered a single fetus. Five delivered twins, three at term and two at 33 and 35 weeks. One woman delivered triplets at 31 weeks. The total delivery rate was 56.0%. Two women miscarried, at 6 and 8 weeks. One patient developed postoperative Asherman's syndrome. CONCLUSION: Our results indicate that hysteroscopic myomectomy improves fertility in previously infertile women. Resection is a viable alternative to abdominal myomectomy for submucous myomas. (J Am Assoc Gynecol Laparosc 6(2):155-158, 1999)

Adult↗
PubMed1996

The public's role in the evaluation of health care technology. The conflict over ECT.

The use of electroconvulsive therapy (ECT), controversial since its inception, offers an instructive case study on the challenge of addressing patients' perspectives in the evaluation of health care technology. Despite widespread professional acceptance of ECT, groups of former psychiatric patients have worked through the U.S. legal system to restrict and even ban ECT in the treatment of mental illness. This unusual lay participation in the regulation of health care illustrates how differing conceptions of evidence can affect the evaluation of technology. ECT provides a powerful example of the value of a more complex definition of the significant outcomes of treatment and the growing practice of outcomes assessment, especially as such research is used to shape health policy.

Brain Diseases↗
PubMed2004

Shape-selective sensing of lipids in aqueous solution by a designed fluorescent molecular tube.

The design, synthesis, and recognition properties of two isomeric calixnaphthalene-type molecular tubes is described. The anti isomer showed strong fluorescence quenching upon titration with various simple lipid guests in water, in which the more hydrophobic guests associated with higher affinity. The syn isomer bound long straight-chain guests tightly with a similar fluorescence-quenching response. However, the syn isomer was more selective, giving an increase in fluorescence upon titration of guests which could not thread through the tube. Thus, the syn isomer is a selective fluorescent sensor for long straight-chain lipids.

Amides↗
PubMed2002

Synthesis of 3,5- and 3,6-linked calix[n]naphthalenes.

The preparation of calix[n]naphthalenes from derivatives of 2,7-dihydroxynaphthalene is described. 1,8-Dialkyl substitution is used to direct the regiochemistry of the acid-catalyzed condensation reactions. Acyclic peri substituents lead to a 3,5-linked calix[3]naphthalene, whereas cyclic peri substituents give predominantly a calix[5]naphthalene with the corresponding 3,6-linkage. The 3,6-linked calix[4]naphthalene is prepared in pure form by a dimerization strategy.

Dimerization↗
PubMed1998

Preimplantation genetic diagnosis of human embryos for Marfan's syndrome.

PURPOSE: Single-cell nested polymerase chain reaction (PCR) and Ddel endonuclease digestion were used to detect the presence of a Marfan's syndrome mutation in human preimplantation embryos derived from in vitro fertilization (IVF). These procedures were conducted to eliminate the possibility of transmission of the affected allele from the father to his offspring. The mutation on chromosome 15 is transmitted as an autosomal dominant trait, and the chance of having a child affected with the disease is 50%. METHODS: A couple presented to the Program for In Vitro Fertilization, Reproductive Surgery and Infertility for preimplantation genetic diagnosis. IVF was performed and embryo biopsy was done on day 3 embryos. Single blastomeres were removed from embryos and subjected to nested PCR analysis and endonuclease digestion to detect a Marfan's syndrome mutation located on chromosome 15 inherited from the father. RESULTS: Thirteen oocytes were injected with spermatozoa using intracytoplasmic sperm injection, and nine fertilized normally. Following embryo biopsy and polymerase chain reaction amplification-Ddel endonuclease digestion, five embryos were detected that were positive for the mutation. The four non-affected embryos were transferred to the uterus, resulting in a healthy and normal ongoing pregnancy.

Adult↗
PubMedDate not supplied

Rifkin bugs bug.

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DNA, Recombinant↗