Effectiveness of Nasoalveolar Molding in the Unilateral Cleft Lip and Cleft Palate

Systematic Review and Critical Appraisal of the Evidence Base for Nasoalveolar Molding (NAM)

OBJECTIVE

To critically appraise the body of scientific literature supporting the risks and efficacy of nasoalveolar molding (NAM), specifically in contrast to alternative methods of presurgical infant orthopedics (PSIO) or to treatment without PSIO.

MAIN OUTCOME MEASURES

Five outcome domains were considered: nasolabial aesthetics; dentoalveolar relationship; midfacial growth; cost and burden of care; and number of anesthetic events.

DESIGN

MEDLINE, Embase, and Scopus were queried for articles from the first description of the Grayson-Santiago NAM technique (1993) through December 13, 2021. After the application of inclusionary and exclusionary criteria, selected articles were critically appraised using a systematic framework that included risk of bias assessment using the Cochrane RoB 2.0 and ROBINS-I tools.

RESULTS

A total of 88 studies were included. Level-I and -II evidence showed on par or better approximation and alveolar alignment achieved by NAM compared to other PSIO. Level-II and -III evidence showed improved nasolabial aesthetics compared to other PSIOs. Level-II and -III evidence supported no harm to maxillofacial skeletal growth through age 12. Sparse level-III evidence supported a reduced number of labial or nasal revisions following NAM. Level-II and -III evidence showed NAM requiring upfront cost and frequent appointments but reducing caregiver psychosocial burden and reducing long-term costs compared to select alternatives. Many studies carried a high risk of bias.

CONCLUSIONS

Current evidence supports the overall efficacy of NAM regarding short/mid-term outcomes, with a low risk of negative effects on midfacial growth or dental development. The high risk of bias discovered in many papers underscores the need for robust study design in future research.

Evolving Trends in Unilateral Cleft Lip Repair Based on Continuous Certification by the American Board of Plastic Surgery

BACKGROUND

The American Board of Plastic Surgery (ABPS) began collecting data from unilateral cleft lip (UCL) corrections in 2011 as a component of the continuous certification process. We evaluated these data to understand practice patterns in UCL repair, in the United States, and whether these practice patterns had changed over the past 9 years.

METHODS

Tracer data for UCL correction were reviewed from its inception in October 2011 through 2016 and compared to UCL cases between 2017 and March 2020. Trends in practice patterns were evaluated against literature reviews meant to coincide with the ABPS continuous certification data.

RESULTS

A total of 520 cases were included from October 2011 to March 2020. Median age of UCL repair was 4 months and 66% of patients were male. Fifty-one percent of cases presented with a complete cleft lip. There was a decrease in postoperative adverse events when data from 2011 to 2016 was compared to 2017 to 2019 (P = 0.020). Revisions were the most common postoperative adverse event (2%). There was a decrease in nasoalveolar molding from 25% to 12% (P < 0.001) and 56% of total cases underwent a concurrent primary cleft rhinoplasty. The rate of gingivoperiosteoplasty at the time of primary cleft lip repair also fell (9% versus 1%; P < 0.001).

CONCLUSIONS

This article reviews tracer data obtained by the ABPS for UCL repair. The American Board of Plastic Surgery tracer data provides a national, cleft lip-specific database with longer follow-up times than other large databases.

Effect of Cleft Width on the Outcome of Presurgical Nasoalveolar Molding in Patients With Unilateral Cleft Lip and Palate

ABSTRACT

The purpose of this study was to investigate the short-term effects of presurgical nasoalveolar molding (PNAM) according to cleft width (CW) in patients with unilateral cleft lip and palate (UCLP). In this retrospective study, 32 newborns with nonsyndromic UCLP treated with PNAM were allocated to 2 groups based on CW (group A, CW ≤5 mm; and group B, CW >5 mm). The following measurements were carried out using standardized photographs taken before and after PNAM therapy (before primary lip surgery): nostril axis inclination of healthy (NAI-NC) and cleft sides (NAI-C), columellar angle (CA), nasal base inclination (NBI), nasal floor width ratio (NFWR), alar base height ratio (ABHR), and columellar length ratio. Before PNAM therapy, there were significant differences between the 2 groups with respect to NAI-C, NBI, NFWR, and ABHR, indicating greater deformation of the nose in group B. After PNAM therapy, CA, NAI-C, NAI-NC, NFWR, and columellar length ratio were significantly improved in both the groups, whereas NBI and ABHR significantly worsened in group B. The improvement in CA, NAI-C, and NFWR was significantly greater in group B. Although a larger CW had some negative effects on the outcome of PNAM, it was found to be advantageous for nasal symmetry, if initiated as early as possible. Nevertheless, it is important to consider those aspects of the nasolabial area that are involved in the perception of symmetry when evaluating the effect of CW on PNAM outcomes in UCLP.