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        "resumen" => "<p class="elsevierStylePara"> Objectius&#58; El prop&#242;sit d&#8217;aquest article fou avaluar la concordan&#231;a entre freq&#252;&#232;ncia card&#237;aca &#40;FC&#41; i velocitat en la cinta de c&#243;rrer corresponent al llindar anaer&#242;bic mesurada pel segon llindar ventilatori &#40;LV<span class="elsevierStyleInf">2</span>&#41; i pel punt de deflexi&#243; de l&#8217;FC &#40;PDFC&#41; en pacients amb diabetis tipus 2&#46;</p> <p class="elsevierStylePara"> M&#232;todes&#58; S&#8217;avaluaren 32 pacients sedentaris &#40;56&#44;1 &#177; 7&#44;7 anys&#41;&#46; Per determinar els valors dels llindars&#44; els pacients realitzaren una prova d&#8217;esfor&#231; incremental a una velocitat inicial de 3 km h<span class="elsevierStyleSup">&#8722;1</span> durant 3 min&#44; amb increments d&#8217;1 km h<span class="elsevierStyleSup">&#8722;1</span> cada 2 min&#46; S&#8217;analitz&#224; el grau de concordan&#231;a entre LV<span class="elsevierStyleInf">2</span> i PDFC mitjan&#231;ant el test de Bland-Altman&#46;</p> <p class="elsevierStylePara"> Resultats&#58; Els pacients mostraren una FC de 133 &#177; 16 bpm en LV<span class="elsevierStyleInf">2</span> i 133 &#177; 18 bpm en PDFC&#46; La velocitat mitjana corresponent a LV<span class="elsevierStyleInf">2</span> fou de 6&#44;3 &#177; 0&#44;7 km h<span class="elsevierStyleSup">&#8722;1</span> i la corresponent a PDFC fou de 6&#44;4 &#177; 1&#44;1 km h<span class="elsevierStyleSup">&#8722;1</span>&#46; No hi hagu&#233; difer&#232;ncies significatives entre els m&#232;todes avaluats &#40;FC&#58; p &#61; 0&#44;78&#59; velocitat mitjana&#58; p &#61; 0&#44;57&#41;&#46;</p> <p class="elsevierStylePara"> Conclusi&#243;&#58; Aquesta recerca conclou que hi ha correspond&#232;ncia entre els m&#232;todes LV<span class="elsevierStyleInf">2</span> i PDFC en l&#8217;FC i la velocitat mitjana a la cinta de c&#243;rrer&#44; i&#44; per tant&#44; qualsevol dels 2 m&#232;todes pot ser emprat en aquests pacients&#46;</p>"
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        "resumen" => "<p class="elsevierStylePara"> Aims&#58; The purpose of this study was to evaluate the agreement between heart rate &#40;HR&#41; and treadmill velocity corresponding to the anaerobic threshold measured by second ventilatory threshold &#40;VT<span class="elsevierStyleInf">2</span>&#41; and the HR deflection point &#40;HRDP&#41; in patients with type 2 diabetes&#46;</p> <p class="elsevierStylePara"> Materials and methods&#58; Thirty-two sedentary patients &#40;56&#46;1 &#177; 7&#46;7 years&#41; were evaluated&#46; To determine the threshold values&#44; patients performed an incremental treadmill test&#44; with an initial velocity of 3 km h<span class="elsevierStyleSup">&#8722;1</span> for 3 min&#44; which was then increased by 1 km h<span class="elsevierStyleSup">&#8722;1</span> every 2 min&#46; The degree of agreement between VT<span class="elsevierStyleInf">2</span> and HRDP was analyzed using the Bland-Altman test&#46;</p> <p class="elsevierStylePara"> Results&#58; Patients had a HR of 133 &#177; 16 bpm at VT<span class="elsevierStyleInf">2</span> and 133 &#177; 18 bpm at HRDP&#46; Mean velocity corresponding to VT<span class="elsevierStyleInf">2</span> was 6&#46;3 &#177; 0&#46;7 km h<span class="elsevierStyleSup">&#8722;1</span>&#44; and that corresponding to HRDP was 6&#46;4 &#177; 1&#46;1 km h<span class="elsevierStyleSup">&#8722;1</span>&#46; There were no significant differences between the methods evaluated &#40;HR&#58; P &#61; &#46;78&#59; mean velocity&#58; P &#61; &#46;57&#41;&#46;</p> <p class="elsevierStylePara"> Conclusions&#58; The present investigation concludes that there is an agreement between VT<span class="elsevierStyleInf">2</span> and HRDP methods for HR and treadmill velocity&#44; and thus&#44; either method may be used for these patients&#46;</p>"
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Vol. 50. Issue 188.
Pages 123-128 (October - December 2015)
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Vol. 50. Issue 188.
Pages 123-128 (October - December 2015)
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Punt de deflexió de la freqüència cardíaca com a mètode alternatiu d’identificació del llindar anaeròbic en pacients amb diabetis tipus 2
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Rodrigo Sudatti Delevattia, Ana Carolina Kanitza, Cristine Lima Albertonb, Patricia Dias Pantojaa, Elisa Corrêa Marsona, Carolina Dertzbocher Feil Pinhoa, Salime Chedid Lisboaa, Luciana Peruchena Bregagnola, Luiz Fernando Martins Kruela
a Exercise Research Laboratory, Physical Education School, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brasil
b Department of Sports, Physical Education School, Universidade Federal de Pelotas, RS, Brasil
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Objectius: El propòsit d’aquest article fou avaluar la concordança entre freqüència cardíaca (FC) i velocitat en la cinta de córrer corresponent al llindar anaeròbic mesurada pel segon llindar ventilatori (LV2) i pel punt de deflexió de l’FC (PDFC) en pacients amb diabetis tipus 2.

Mètodes: S’avaluaren 32 pacients sedentaris (56,1 ± 7,7 anys). Per determinar els valors dels llindars, els pacients realitzaren una prova d’esforç incremental a una velocitat inicial de 3 km h−1 durant 3 min, amb increments d’1 km h−1 cada 2 min. S’analitzà el grau de concordança entre LV2 i PDFC mitjançant el test de Bland-Altman.

Resultats: Els pacients mostraren una FC de 133 ± 16 bpm en LV2 i 133 ± 18 bpm en PDFC. La velocitat mitjana corresponent a LV2 fou de 6,3 ± 0,7 km h−1 i la corresponent a PDFC fou de 6,4 ± 1,1 km h−1. No hi hagué diferències significatives entre els mètodes avaluats (FC: p = 0,78; velocitat mitjana: p = 0,57).

Conclusió: Aquesta recerca conclou que hi ha correspondència entre els mètodes LV2 i PDFC en l’FC i la velocitat mitjana a la cinta de córrer, i, per tant, qualsevol dels 2 mètodes pot ser emprat en aquests pacients.

Aims: The purpose of this study was to evaluate the agreement between heart rate (HR) and treadmill velocity corresponding to the anaerobic threshold measured by second ventilatory threshold (VT2) and the HR deflection point (HRDP) in patients with type 2 diabetes.

Materials and methods: Thirty-two sedentary patients (56.1 ± 7.7 years) were evaluated. To determine the threshold values, patients performed an incremental treadmill test, with an initial velocity of 3 km h−1 for 3 min, which was then increased by 1 km h−1 every 2 min. The degree of agreement between VT2 and HRDP was analyzed using the Bland-Altman test.

Results: Patients had a HR of 133 ± 16 bpm at VT2 and 133 ± 18 bpm at HRDP. Mean velocity corresponding to VT2 was 6.3 ± 0.7 km h−1, and that corresponding to HRDP was 6.4 ± 1.1 km h−1. There were no significant differences between the methods evaluated (HR: P = .78; mean velocity: P = .57).

Conclusions: The present investigation concludes that there is an agreement between VT2 and HRDP methods for HR and treadmill velocity, and thus, either method may be used for these patients.

Keywords:
Ventilatory threshold; Second ventilatory threshold; Heart rate deflection point; Exercise; Type 2 diabetes
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