Increase in Mallampati score during pregnancy

Pilkington, Sophie; Carli, Franco; Dakin, M.J.; Romney, M.; Witt, Kristina; Doré, C; Cormack, R. S.

doi:10.1093/bja/74.6.638

Cited by 313 publications

(119 citation statements)

References 17 publications

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“…The objectively narrower UA in pregnancy is compatible with the suggestion of reduced pharyngeal dimensions during pregnancy demonstrated using visual inspection, classified according to the Mallampati score [12]. The finding that the UA is narrowed in the third trimester of pregnancy is also consistent with weight gain [2,[6][7][8] and abdominal mass loading, resulting in decreased lung volume and trachea shortening [7,9,26].…”

Section: Discussionsupporting

confidence: 66%

“…There are several studies on SDB in pregnancy, but most are based on questionnaires [1,2] or clinical examinations [12] or focused on pre-eclampsia [3,4,23]. Therefore, this study would seem to be one of the first that presents both objective and subjective measurements regarding SDB in healthy pregnant females.…”

Section: Discussionmentioning

confidence: 99%

“…BRADLEY et al [5] reported that snorers with or without obstructive sleep apnoea have narrower upper airways (UAs) than nonsnorers even when awake. In pregnancy, the physiological changes potentially predisposing to increased resistance [2] and reduced cross-sectional area of the UAs [4] include the following: weight gain [2,[6][7][8][9]; a decreased functional residual capacity (FRC) due to mass displacement of the diaphragm [9][10][11]; pharyngeal oedema of pregnancy [2][3][4]12]; and, possibly, the effect of sleep deprivation or fragmentation on pharyngeal dilator muscle activity [13] and UA collapsibility [14].…”

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confidence: 99%

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Sleep-disordered breathing and upper airway size in pregnancy and post-partum

et al. 2006

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Sleep-disordered breathing and snoring are common in pregnancy. The aim of this study was to determine whether pregnancy was associated with upper airway narrowing.One-hundred females in the third trimester of pregnancy were recruited and 50 agreed to be restudied 3 months after delivery. One-hundred nonpregnant females were also recruited. Upper airway dimensions were measured using acoustic reflection.Snoring was less common in nonpregnant (17%) than pregnant females (41%; odds ratio (OR) 3.34; 95% confidence interval (CI) 1.65-6.74) and returned to nonpregnant levels after delivery (18%; OR 0.15; 95% CI 0.06-0.40). Pregnant females had significantly smaller upper airways than nonpregnant females at the oropharyngeal junction when seated (mean difference 0.12; 95% CI 0.008-0.25), and smaller mean pharyngeal areas in the seated (mean difference 0.14; 95% CI 0.001-0.28), supine (mean difference 0.11; 95% CI 0.01-0.22) and lateral postures (mean difference 0.13; 95% CI 0.02-0.24) compared with the nonpregnant females. Pregnant females had smaller mean pharyngeal areas compared with post-partum in the seated (mean difference 0.18; 95% CI 0.02-0.32), supine (mean difference 0.20; 95% CI 0.06-0.35) and lateral postures (mean difference 0.26; 95% CI 0.12-0.39).In conclusion, this study confirmed increased snoring and showed narrower upper airways during the third trimester of pregnancy.

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Section: Discussionsupporting

confidence: 66%

Section: Discussionmentioning

confidence: 99%

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confidence: 99%

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Sleep-disordered breathing and upper airway size in pregnancy and post-partum

et al. 2006

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“…Difficult or failed intubation in cesarean delivery remains the major contributing factor of anesthesia-related maternal complications (24). Failed airway management may result in severe physical and psychological outcomes for both the mother and the baby.…”

Section: Discussionmentioning

confidence: 99%

The McGrath Series 5 video laryngoscope versus the Macintosh laryngoscope: a randomized trial in obstetric patients

Aydın

Çakmakçı

2014

Turk J Med Sci

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The utilisation of whey is very important for preventing the waste of a protein-and lactose-rich dairy by product and protecting the environment. Therefore, the objective of this study was to investigate the effect of whey use in tel (wire) kadayıf (a Turkish dessert raw material) production on microbiological and technological properties and sensory characteristics of tel kadayıf. For this purpose, 3 experimental tel kadayıf samples were produced using different amounts (0%, 25%, and 50%) of fresh whey instead of water in the production of raw tel kadayıf. The samples were placed in plastic bags and vacuum packaging and stored in a refrigerator (4 °C). Storage period (1, 3, 5, and 7 days) analysis was performed. The results of the research showed that nutritional value and sweetness increased, while the baking time decreased with respect to increases in the amount of whey used in tel kadayıf. As a result of a collective evaluation of the study findings, it was concluded that a 25% whey addition and vacuum packaging would provide the most positive quality characteristics in tel kadayıf desserts.

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“…Recently, an increased Mallampati score has been reported in obstetrical patients. 4 We have studied several obstetrical patients who were submit- ted to tracheal intubation. Our data were collected retrospectively from department records.…”

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confidence: 99%

Difficult intubation in obstetrics

Galeotti

1996

Can J Anaesth

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Difficult intubation in obstetricsTo the Editor: It has been reported that tracheal intubation is more difficult in the pregnant patiend -3 and this may be related to fluid accumulation and the presence of the fetus. Recently, an increased Mallampati score has been reported in obstetrical patients. 4 We have studied several obstetrical patients who were submit- ted to tracheal intubation. Our data were collected retrospectively from department records. Of 9,025 patients, 908 were to undergo Caesarean section. We considered patients with Mallampati score of I-2 indicated easy intubation and grades Ill and IV as difficult. Overall, the Mallampati scores were similar to previous reports 5 (Table I). However, in the patients due to undergo Caesarean section, the Mallampati scorewas decreased (Table Ii).. Although further studies should focus on similar age groups, we believe that the differences that we observed may have been due to fewer overweight patients in our population compared with Caucasian subjects. We intend to extend our studies in this area.

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Increase in Mallampati score during pregnancy

Cited by 313 publications

References 17 publications

Sleep-disordered breathing and upper airway size in pregnancy and post-partum

Sleep-disordered breathing and upper airway size in pregnancy and post-partum

The McGrath Series 5 video laryngoscope versus the Macintosh laryngoscope: a randomized trial in obstetric patients

Difficult intubation in obstetrics

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