Johnson NP

No ORCID on file · 50 papers in corpus · active 1999-2024

Study types

  • article 24
  • review 8
  • other 7
  • rct 3
  • letter 2

Condition tags

  • endometriosis 44
  • infertility 19
  • chronic_pelvic_pain 9
  • dysmenorrhea 7
  • dyspareunia 3
  • endometrioma 2
  • die_deep_infiltrating 1
  • thoracic_endometriosis 1
article 2018
Obstetrics and gynecology ·doi:10.1097/aog.0000000000002675

OBJECTIVE: To evaluate the efficacy and safety of elagolix, an oral, nonpeptide gonadotropin-releasing hormone antagonist, over 12 months in women with endometriosis-associated pain. METHODS: Elaris Endometriosis (EM)-III and -IV were exten…

article 2018
Reproductive biomedicine online ·doi:10.1016/j.rbmo.2018.11.015

Research questionDoes pre-IVF Lipiodol® increase the success of IVF treatment in women with endometriosis or repeat implantation failure (RIF) compared with IVF alone?DesignLipiodol is known to enhance natural fertility, especially amongst …

article 2018
·doi:10.1530/ey.15.15.6

We highlight this paper for 3 reasons. First, remarkably there are few robust data on effective treatment options for endometriosis. Subcutaneous GnRH antagonists are sometimes used off-label, but with very limited evidence. Secondly, the c…

preprint 2017
F1000Research ·doi:10.12688/f1000research.9850.1

This article acts as a summary of the recently published papers by the World Endometriosis Research Foundation aiming to set up the Endometriosis Phenome and Biobanking Harmonisation Project. The objective of this project is to standardise …

rct 2017
The New England journal of medicine ·doi:10.1056/NEJMoa1700089

BACKGROUND: Endometriosis is a chronic, estrogen-dependent condition that causes dysmenorrhea and pelvic pain. Elagolix, an oral, nonpeptide, gonadotropin-releasing hormone (GnRH) antagonist, produced partial to nearly full estrogen suppres…

article 2016
The Australian & New Zealand journal of obstetrics & gynaecology ·doi:10.1111/ajo.12505

It has become necessary to re - examine the relevance of diagnostic laparoscopy in the two-stage approach to surgical management of symptomatic women with higher stage endometriosis following emerging evidence demonstrating acceptable diagn…

article 2016
BMJ open ·doi:10.1136/bmjopen-2016-013998

INTRODUCTION: Endometriosis is a common gynaecological disease characterised by pain and subfertility. Randomised controlled trials evaluating treatments for endometriosis have reported many different outcomes and outcome measures. This var…

article 2016
Human Reproduction ·doi:10.1093/humrep/dew293

STUDY QUESTION: What is the global consensus on the classification of endometriosis that considers the views of women with endometriosis? SUMMARY ANSWER: We have produced an international consensus statement on the classification of endomet…

letter 2015
The Australian & New Zealand journal of obstetrics & gynaecology ·doi:10.1111/ajo.12403

It is now more than four decades since sonography was first used to evaluate the obstetric patient.1 At its beginning, the questions asked were basic. For example, is there a live pregnancy? Is there a singleton or a twin gestation? Where i…

article 2013
Human Reproduction ·doi:10.1093/humrep/det050

STUDY QUESTION: Is there a global consensus on the management of endometriosis that considers the views of women with endometriosis? SUMMARY ANSWER: It was possible to produce an international consensus statement on the current management o…

article 2013
The Australian & New Zealand journal of obstetrics & gynaecology ·doi:10.1111/ajo.12124

BACKGROUND: Our randomised controlled trial (RCT) found that a hysterosalpingogram (HSG) with the oil-soluble contrast medium (OSCM) lipiodol improves pregnancy rates amongst couples with unexplained and endometriosis-related infertility. T…

other 2013
Human Reproduction ·doi:10.1093/humrep/det347
letter 2013
Human Reproduction ·doi:10.1093/humrep/det282
review 2013
The Australian & New Zealand journal of obstetrics & gynaecology ·doi:10.1111/ajo.12141

A lipiodol hysterosalpingogram was the routine test for tubal patency as recently as the 1970s. Observational studies, then randomised controlled trials, provided evidence of a fertility enhancing effect of lipiodol. It has been found to im…

article 2012
Fertility and sterility ·doi:10.1016/j.fertnstert.2012.06.039

ObjectiveTo describe the demographics and clinical presentation of endosalpingiosis. To compare endosalpingiosis with endometriosis, particularly in regards to infertility and chronic pelvic pain.DesignRetrospective analysis.SettingHospital…

2008
The Cochrane database of systematic reviews ·doi:10.1002/14651858.cd002807.pub3

BackgroundAzoospermia, the absence of sperm in ejaculated semen, is the most severe form of male-factor infertility and is present in approximately 5% of all investigated infertile couples. The advent of intra-cytoplasmic sperm injection (I…

article 2007
Human Reproduction ·doi:10.1093/humrep/dem275

BACKGROUND: A New Zealand randomized trial has shown that lipiodol treatment enhances fertility with high short-term effectiveness for women with endometriosis. METHODS: An open randomized trial in a single-centre secondary- and tertiary-le…

article 2006
The Australian & New Zealand journal of obstetrics & gynaecology ·doi:10.1111/j.1479-828x.2006.00595.x

OBJECTIVES: To assess the demographics, efficacy and safety of lipiodol flushing fertility treatment. DESIGN: Prospective observational study. SETTING: Secondary level care infertility clinic and radiology centre based in Auckland, New Zeal…

other 2006
The Australian & New Zealand journal of obstetrics & gynaecology ·doi:10.1111/j.1479-828X.2006.00596.x

OBJECTIVE: To evaluate clinicians' beliefs concerning the effectiveness of lipiodol flushing as a treatment for unexplained infertility, and to integrate these prior beliefs with evidence from randomised trials. DESIGN: Survey. SETTING: S…

other 2005
Treatments in endocrinology ·doi:10.2165/00024677-200504040-00004

There has been speculation for decades regarding the role of flushing women's fallopian tubes in improving the chance of pregnancy. More recent evidence has highlighted a possible specific role for lipiodol (ethiodized oil), an oil-soluble …

meta-analysis 2005
The Cochrane database of systematic reviews ·doi:10.1002/14651858.CD001896.pub2

BACKGROUND: Dysmenorrhoea is the occurrence of painful menstrual cramps of uterine origin and is a very common gynaecological complaint with negative effect on a sufferer's quality of life. Medical therapy for dysmenorrhoea includes oral co…

article 2004
BJOG: An International Journal of Obstetrics & Gynaecology ·doi:10.1111/j.1471-0528.2004.00233.x

OBJECTIVE: To determine the effectiveness of laparoscopic uterine nerve ablation (LUNA) for chronic pelvic pain in women with endometriosis and women with no laparoscopic evidence of endometriosis. DESIGN: A prospective double-blind randomi…

article 2004
Human Reproduction ·doi:10.1093/humrep/deh418

BACKGROUND: To assess the effectiveness of flushing with the oil-soluble contrast medium lipiodol in women with unexplained infertility. METHODS: An open randomized controlled trial design in a single centre secondary and tertiary level inf…

review 2002
The Cochrane database of systematic reviews ·doi:10.1002/14651858.cd003052

BACKGROUND: Oral (anti-oestrogens) and injectable (gonadotrophins) ovulation induction agents have been used to increase the number of eggs produced by a woman per cycle in treatment for unexplained subfertility. It is unclear whether there…

review 1999
The Cochrane database of systematic reviews ·doi:10.1002/14651858.cd001896

BACKGROUND: Dysmenorrhoea is the occurrence of painful menstrual cramps of uterine origin and is a very common gynaecological complaint. Medical therapy for dysmenorrhoea includes oral contraceptive pills (OCP) and nonsteroidal anti-inflamm…