Knee Angles and Rickets in Nigerian Children
Knee angles of 2,036 normal Nigerian children up to 12 years old were measured directly or from photographs. The knees were bowed (varus) in the first 6 months. At 21 to 23 months, the distribution of angles became strongly bimodalabout half were varus and half were valgus (knock-kneed), with few in...
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| Veröffentlicht in: | Journal of pediatric orthopaedics 2004-07, Vol.24 (4), p.403-407 |
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| container_title | Journal of pediatric orthopaedics |
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| creator | Oginni, Lawrence M Badru, Olalekan S Sharp, Christopher A Davie, Michael W. J Worsfold, Michael |
| description | Knee angles of 2,036 normal Nigerian children up to 12 years old were measured directly or from photographs. The knees were bowed (varus) in the first 6 months. At 21 to 23 months, the distribution of angles became strongly bimodalabout half were varus and half were valgus (knock-kneed), with few in between. After this they were all valgus, with few exceptions. Hence, the change from varus to valgus in individual infants must be sudden (a few weeks), although the changeover of the whole population appears smooth and gradual. They became maximally and uniformly knock-kneed (−7.1° ± 1.4°) between 3 and 3.5 years, with little change thereafter. On the other hand, 120 patients with rickets discovered during screening had large knee angles, in either sense, with a bimodal distribution and frequency maxima at +10° (varus) and −12° (valgus). Varus knee is uncommon after 2 years. Large knee angles between 2 and 5 years suggest rickets. |
| doi_str_mv | 10.1097/01241398-200407000-00011 |
| format | Article |
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J ; Worsfold, Michael</creator><creatorcontrib>Oginni, Lawrence M ; Badru, Olalekan S ; Sharp, Christopher A ; Davie, Michael W. J ; Worsfold, Michael</creatorcontrib><description>Knee angles of 2,036 normal Nigerian children up to 12 years old were measured directly or from photographs. The knees were bowed (varus) in the first 6 months. At 21 to 23 months, the distribution of angles became strongly bimodalabout half were varus and half were valgus (knock-kneed), with few in between. After this they were all valgus, with few exceptions. Hence, the change from varus to valgus in individual infants must be sudden (a few weeks), although the changeover of the whole population appears smooth and gradual. They became maximally and uniformly knock-kneed (−7.1° ± 1.4°) between 3 and 3.5 years, with little change thereafter. On the other hand, 120 patients with rickets discovered during screening had large knee angles, in either sense, with a bimodal distribution and frequency maxima at +10° (varus) and −12° (valgus). Varus knee is uncommon after 2 years. Large knee angles between 2 and 5 years suggest rickets.</description><identifier>ISSN: 0271-6798</identifier><identifier>EISSN: 1539-2570</identifier><identifier>DOI: 10.1097/01241398-200407000-00011</identifier><identifier>PMID: 15205623</identifier><identifier>CODEN: JPORDO</identifier><language>eng</language><publisher>Hagerstown, MD: Lippincott Williams & Wilkins, Inc</publisher><subject>Age Factors ; Biological and medical sciences ; Child ; Child, Preschool ; Diseases of the osteoarticular system ; Female ; Humans ; Infant ; Knee Dislocation - pathology ; Knee Joint - anatomy & histology ; Male ; Medical sciences ; Metabolic diseases ; Nigeria ; Other nutritional diseases (malnutrition, nutritional and vitamin deficiencies...) ; Rickets - pathology ; ROC Curve ; Traumas. 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J</creatorcontrib><creatorcontrib>Worsfold, Michael</creatorcontrib><title>Knee Angles and Rickets in Nigerian Children</title><title>Journal of pediatric orthopaedics</title><addtitle>J Pediatr Orthop</addtitle><description>Knee angles of 2,036 normal Nigerian children up to 12 years old were measured directly or from photographs. The knees were bowed (varus) in the first 6 months. At 21 to 23 months, the distribution of angles became strongly bimodalabout half were varus and half were valgus (knock-kneed), with few in between. After this they were all valgus, with few exceptions. Hence, the change from varus to valgus in individual infants must be sudden (a few weeks), although the changeover of the whole population appears smooth and gradual. They became maximally and uniformly knock-kneed (−7.1° ± 1.4°) between 3 and 3.5 years, with little change thereafter. On the other hand, 120 patients with rickets discovered during screening had large knee angles, in either sense, with a bimodal distribution and frequency maxima at +10° (varus) and −12° (valgus). Varus knee is uncommon after 2 years. Large knee angles between 2 and 5 years suggest rickets.</description><subject>Age Factors</subject><subject>Biological and medical sciences</subject><subject>Child</subject><subject>Child, Preschool</subject><subject>Diseases of the osteoarticular system</subject><subject>Female</subject><subject>Humans</subject><subject>Infant</subject><subject>Knee Dislocation - pathology</subject><subject>Knee Joint - anatomy & histology</subject><subject>Male</subject><subject>Medical sciences</subject><subject>Metabolic diseases</subject><subject>Nigeria</subject><subject>Other nutritional diseases (malnutrition, nutritional and vitamin deficiencies...)</subject><subject>Rickets - pathology</subject><subject>ROC Curve</subject><subject>Traumas. Diseases due to physical agents</subject><issn>0271-6798</issn><issn>1539-2570</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2004</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp10clOwzAQgGELgWgpvALKBU4Exkts54gqNlGBhOBsuc6kDXXTYieqeHsCDcuFg-XLN7b0DyEJhXMKuboAygTluU4ZgAAFAGl3KN0hQ5rxPGWZgl0yBKZoKlWuB-QgxtdOKC74PhnQjEEmGR-Ss_saMbmsZx5jYusiearcApuYVHXyUM0wVLZOxvPKFwHrQ7JXWh_xqL9H5OX66nl8m04eb-7Gl5PUcS1pKopcQF7mBS9YyZjgjkvHnENUhZ4iMGSZpiVOmbIZt9My6xxkXAnpnETBR-R0--46rN5ajI1ZVtGh97bGVRuNlFJIrWUH9Ra6sIoxYGnWoVra8G4omM9S5ruU-Sllvkp1o8f9H-10icXvYJ-mAyc9sNFZXwZbuyr-cTnTAljnxNZtVr7BEBe-3WAwc7S-mZv_NsU_AF9cfh4</recordid><startdate>200407</startdate><enddate>200407</enddate><creator>Oginni, Lawrence M</creator><creator>Badru, Olalekan S</creator><creator>Sharp, Christopher A</creator><creator>Davie, Michael W. 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J ; Worsfold, Michael</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3861-4d9409f9d3d2f2243c36c2ccee7d8be02e2581feb27a53abf5d2f053746cc6e43</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2004</creationdate><topic>Age Factors</topic><topic>Biological and medical sciences</topic><topic>Child</topic><topic>Child, Preschool</topic><topic>Diseases of the osteoarticular system</topic><topic>Female</topic><topic>Humans</topic><topic>Infant</topic><topic>Knee Dislocation - pathology</topic><topic>Knee Joint - anatomy & histology</topic><topic>Male</topic><topic>Medical sciences</topic><topic>Metabolic diseases</topic><topic>Nigeria</topic><topic>Other nutritional diseases (malnutrition, nutritional and vitamin deficiencies...)</topic><topic>Rickets - pathology</topic><topic>ROC Curve</topic><topic>Traumas. Diseases due to physical agents</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Oginni, Lawrence M</creatorcontrib><creatorcontrib>Badru, Olalekan S</creatorcontrib><creatorcontrib>Sharp, Christopher A</creatorcontrib><creatorcontrib>Davie, Michael W. J</creatorcontrib><creatorcontrib>Worsfold, Michael</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Journal of pediatric orthopaedics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Oginni, Lawrence M</au><au>Badru, Olalekan S</au><au>Sharp, Christopher A</au><au>Davie, Michael W. J</au><au>Worsfold, Michael</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Knee Angles and Rickets in Nigerian Children</atitle><jtitle>Journal of pediatric orthopaedics</jtitle><addtitle>J Pediatr Orthop</addtitle><date>2004-07</date><risdate>2004</risdate><volume>24</volume><issue>4</issue><spage>403</spage><epage>407</epage><pages>403-407</pages><issn>0271-6798</issn><eissn>1539-2570</eissn><coden>JPORDO</coden><abstract>Knee angles of 2,036 normal Nigerian children up to 12 years old were measured directly or from photographs. The knees were bowed (varus) in the first 6 months. At 21 to 23 months, the distribution of angles became strongly bimodalabout half were varus and half were valgus (knock-kneed), with few in between. After this they were all valgus, with few exceptions. Hence, the change from varus to valgus in individual infants must be sudden (a few weeks), although the changeover of the whole population appears smooth and gradual. They became maximally and uniformly knock-kneed (−7.1° ± 1.4°) between 3 and 3.5 years, with little change thereafter. On the other hand, 120 patients with rickets discovered during screening had large knee angles, in either sense, with a bimodal distribution and frequency maxima at +10° (varus) and −12° (valgus). Varus knee is uncommon after 2 years. Large knee angles between 2 and 5 years suggest rickets.</abstract><cop>Hagerstown, MD</cop><pub>Lippincott Williams & Wilkins, Inc</pub><pmid>15205623</pmid><doi>10.1097/01241398-200407000-00011</doi><tpages>5</tpages></addata></record> |
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| ispartof | Journal of pediatric orthopaedics, 2004-07, Vol.24 (4), p.403-407 |
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| source | MEDLINE; Journals@Ovid Complete |
| subjects | Age Factors Biological and medical sciences Child Child, Preschool Diseases of the osteoarticular system Female Humans Infant Knee Dislocation - pathology Knee Joint - anatomy & histology Male Medical sciences Metabolic diseases Nigeria Other nutritional diseases (malnutrition, nutritional and vitamin deficiencies...) Rickets - pathology ROC Curve Traumas. Diseases due to physical agents |
| title | Knee Angles and Rickets in Nigerian Children |
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