Methemoglobinemia: An Industrial Outbreak Among Rubber Molding Workers

Linz, Anthony J.; Greenham, Robert K.; Fallon, L. Fleming

doi:10.1097/01.jom.0000201815.32098.99

Cited by 19 publications

(11 citation statements)

References 18 publications

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“…It was also seen that those exposed to the PMS fumes were having significantly lower PCV values compared with controls ( P < .05). These findings agree with those of Dede and Kagbo [25], Ovuru and Ekweozor [26], Mohorovic [29] and Linz et al [30]. The MetHb concentration as well as in AM were observed to be significantly higher than those of PSA ( P < .05).…”

Section: Discussionsupporting

confidence: 91%

“…Anti coagulated blood was filled into plain capillary tube up to three quarters level by capillary suction. One end of the capillary tube was sealed using plasticin and the capillary was centrifuged using a special speed automated microhaematocrit centrifuge [30] at 1200 rpm for 5 minutes. PCV was read with micro haematocrit reader [31] and results were expressed in percentages and frequencies.…”

Section: Methodsmentioning

confidence: 99%

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Exposure of Petrol Station Attendants and Auto Mechanics to Premium Motor Sprit Fumes in Calabar, Nigeria

Udonwa

Uko

Ikpeme

et al. 2009

Journal of Environmental and Public Health

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A population-based-cross-sectional survey was carried out to investigate the potential risk of exposure to premium motor spirit (PMS) fumes in Calabar, Nigeria, among Automobile Mechanics (AM), Petrol Station Attendants (PSA) and the general population. Structured questionnaire was administered on the randomly chosen subjects to elicit information on their exposure to PMS. Duration of exposure was taken as the length of work in their various occupations. Venous blood was taken for methaemoglobin (MetHb) and packed cells volume (PCV). Mean MetHb value was higher in AM (7.3%) and PSA (5.8%) than in the subjects from the general population (2.7%). PCV was lower in PSA (30.8%), than AM (33.3%) and the subjects from the general population (40.8%). MetHb level was directly proportional, and PCV inversely related, to the duration of exposure. The study suggested increased exposure to petrol fumes among AM, PSA, and MetHb as a useful biomarker in determining the level of exposure to benzene in petrol vapour.

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Section: Discussionsupporting

confidence: 91%

Section: Methodsmentioning

confidence: 99%

Exposure of Petrol Station Attendants and Auto Mechanics to Premium Motor Sprit Fumes in Calabar, Nigeria

Udonwa

Uko

Ikpeme

et al. 2009

Journal of Environmental and Public Health

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“…However, a subsequent study demonstrated that severe damage to the wrist joint occurred after hypertonic saline sclerotherapy. 16 Saaiq 15 reported that aspiration followed by intracystic injection of triamcinolone was superior to surgical excision in managing dorsal wrist ganglions, with a recurrence incidence after aspiration and triamcinolone injection of 7% compared with 17% after surgical excision. Another study investigated arthroscopic ganglionectomy, but the surgical space was often difficult to define and recurrence was noted in 2 of 16 patients.…”

Section: Discussionmentioning

confidence: 98%

Visualization of the Wrist Ganglion Capsule by Methylene Blue Staining as an Aid for Complete Resection in Children

Su¹,

Xie²,

Qin³

et al. 2015

The Journal of Hand Surgery

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“…Methylene blue is a hetero-cyclic aromatic chemical compound [33-38] which in recent years has been widely used in sentinel lymph node biopsies [39,40]. For prevention of hypoparathyroidism, staining of the parathyroid glands is not a new technique but was first described by Klopper et al in 1966 [12].…”

Section: Discussionmentioning

confidence: 99%

Safe thyroidectomy with intraoperative methylene blue spraying

Sarı¹,

Ayşan

Müslümanoğlu

et al. 2012

Thyroid Res

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BackgroundWe aimed to minimalize operative complications by spraying of methylene blue stain on thyroid glands and the perithyroidal area.Material and methodsThe intra-operative methylene blue spraying technique was used prospectively on a total of 56 patients who had undergone primary (not recurrent) thyroid surgery for a variety of thyroid diseases. Bilateral total thyroidectomy was performed in all cases. After superior but before inferior pole ligation, 0.5ml of methylene blue was sprayed over the thyroid lobe and perilober area. Tissues, especially parathyroides, the recurrent laryngeal nerve, and the inferior thyroid artery, were identified and evaluated.ResultsRecurrent laryngeal nerve and arteries were not stained and thus they remained white in all cases while all other tissues were stained blue. Within three minutes parathyroid glands washed out the blue stain and the original yellow color was regained. Thyroid tissue wash-out time was not less than 15 minutes; perithyroideal muscles, tendinous and lipoid structures took no less than 25 minutes.ConclusionThe safety of intravascular methylene blue guidance on thyroid surgery is known. This research demonstrates the effectiveness of the spraying technique, a new technique which ensures not only identification of parathyroid glands within three minutes, but also identification of recurrent laryngeal nerves and inferior thyroid arteries.

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Methemoglobinemia: An Industrial Outbreak Among Rubber Molding Workers

Cited by 19 publications

References 18 publications

Exposure of Petrol Station Attendants and Auto Mechanics to Premium Motor Sprit Fumes in Calabar, Nigeria

Exposure of Petrol Station Attendants and Auto Mechanics to Premium Motor Sprit Fumes in Calabar, Nigeria

Visualization of the Wrist Ganglion Capsule by Methylene Blue Staining as an Aid for Complete Resection in Children

Safe thyroidectomy with intraoperative methylene blue spraying

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